背单词v3

(1) a place where children can play in safety
(2) The police are concerned for the safety of the 12-year-old boy who has been missing for three days.
(3) He was kept in custody for his own safety .

safety
[ˈseɪfti]
📢 1 📢 2 📢 3 📢 4

n.厨师，大师傅；

n.安全，平安；安全设备，保险装置；保险器，安全瓣；[棒]安全打；

n.学习，研究；课题；书房；结论；
vi.考虑；沉思；默想；努力；
vt.想出；详细地检查；背诵（台词等）；为…费心思；

vt.动摇；摇头；使发抖；使心绪不宁[烦恼，惊吓]；
vi.摇（出），抖（掉）；握手；（嗓音）颤抖；
n.摇动；震动；哆嗦；混合饮料；

as poor as a church mouse

📢 1 📢 2 📢 3 📢 4

vt.失去；错过；遗失；耽搁；
vi.损失；输掉；走慢；降低价值；

adv.其他；否则；另外；
adj.别的；其他的；

赤贫，一贫如洗；

adv.迅速地；立即；马上；

(1) the conflict between church and State
(2) to go into the church (= to become a Christian minister)
(3) the Free churches

church
[tʃə:tʃ]
📢 1 📢 2 📢 3 📢 4

n.[宗]教堂；[宗]教徒；[宗]教派；[宗]教会；
adj.教会的；礼拜的；
vt.领…到教堂接受宗教仪式；

vi.潜水；跳水；急剧下降；（头朝下）跳入水中；
n.潜水；跳水；俯冲，（潜艇）下潜；（气温，股价等的）暴跌，跳水；
vt.& vi.突然下降，暴跌；

vi.淹没；下落；退去；渐渐进入；
vt.使下沉；使下垂；砸入地面；使败落；
n.水池；洗涤槽；污水坑；

在另一方面；

(1) currents of warm air
(2) I kicked the ball high in/into the air .
(3) Spicy smells wafted through the air .

air
[eə(r)]
📢 1 📢 2 📢 3 📢 4

vt.& vi.使工作；使运作；操作；使产生效果；
n.工作，操作；著作；工厂；行为，事业；
vt.使工作；操作；经营；使缓慢前进；

在海滩上；上岸；失业；处于困境；

n.食物，食品；粮食；养料；资料；

n.天空；气氛；空运；（简单易记的）曲调；
vt.& vi.晾晒；烘干；播送；广播；
vt.使房间通风，透气；

(1) Must pass the agreement notarization above all, when necessary judicatory adjudication.
(2) And above all society needs to encourage the spirit of voluntary cooperation in its citizens.
(3) above all , the CUSTOMS SEAL number is the column should be filled in.

above all
[əˈbʌv ɔ:l]
📢 1 📢 2 📢 3 📢 4

vt.& vi.说；讨论；说话；（用以强调款额、情况严重程度等）讲的是；
vt.谈论；商谈；（用某种语言）讲；
n.空话；交谈；话题；
vi.说闲话；讲人坏话；嚼舌头；供出消息；

首要的是，尤其；最重要的是；

adj.可靠的；可信赖的；真实可信的；
n.可靠的人；

adj.强的( strong的最高级 )；坚强的；强烈的；强壮的；

(1) according to the assessor's statement, the fire damage was not severe.
(2) We wanted to buy a bigger house than this but we had to cut our coat according to our cloth.
(3) according to informed sources, a takeover bid is planned for next month.

according

📢 1 📢 2 📢 3 📢 4

adv.依照；
v.给予( accord的现在分词 )；使和谐一致；使符合；使适合；adj.相符的，和谐的，相应的；

（在该段时间内）一直；向来，一向；时时刻刻；每时每刻；

n.生活方式；

n.教训，训诫；功课；课程，一堂课；[宗]日课；
vt.教训，训斥；教课；向…授课；

(1) I'm very interested in history.
(2) Anyone interested in joining the club should contact us at the address below.
(3) We would be interested to hear your views on this subject.

interested
[ˈɪntrəstɪd]
📢 1 📢 2 📢 3 📢 4

adj.感兴趣的；拥有权益的；有成见的；
v.使…感兴趣(interest的过去分词)；

n.饭店；餐馆；饭馆；菜馆；

vt.教；教导，训练；教授；
vi.教书；

adj.传统的；口传的；惯例的；因袭的；

(1) A much bigger battle is ahead for the president.
(2) A bigger objection is that aggregation of the results invites distortion.
(3) Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations.

bigger

📢 1 📢 2 📢 3 📢 4

n.警察局；

adj.大的，长大的；大的( big的比较级 )；重要的；（计划）庞大的；大方的；

adv.无疑；一定，确实；（回答）当然，好；保管；

继续雇用；继续前进；继续穿着[戴着]；（使）继续服药[接受训练]；

(1) a critical moment in our country's history
(2) One of the victims of the fire remains in a critical condition .
(3) Students are encouraged to develop critical thinking instead of accepting opinions without questioning them.

critical
[ˈkrɪtɪkl]
📢 1 📢 2 📢 3 📢 4

adv.依照；
v.给予( accord的现在分词 )；使和谐一致；使符合；使适合；adj.相符的，和谐的，相应的；

adv.缓慢地，慢吞吞地，慢腾腾地；慢条斯理地，不慌不忙地，袅袅；迟钝，痴痴呆呆地；逐步；

adj.批评的，爱挑剔的；危险的，危急的；决定性的；[物]临界的；

adv.也；太；很；非常；

(1) noisy children/traffic/crowds
(2) a noisy protest (= when people shout)
(3) The engine is very noisy at high speed.

noisy
[ˈnɔɪzi]
📢 1 📢 2 📢 3 📢 4

adj.嘈杂的；喧闹的；充满噪音的；吵吵闹闹的；
n.响声；嘈杂声；

adj.著名的，出名的；〈古〉一流的，极好的；著称；

n.财产，财富；富豪（阶级）；丰富，大量；繁荣；

prep.（表示位置）在…的后面；支持；（表示顺序）在身后；（表示比较）落后于；
adv.在后面；向后；在后面较远处；（落）在后面；
n.〈口〉屁股；

(1) a fiercely ambitious young manager
(2) They were very ambitious for their children (= they wanted them to be successful) .
(3) the government's ambitious plans for social reform

ambitious
[æmˈbɪʃəs]
📢 1 📢 2 📢 3 📢 4

n.迪斯科舞厅，迪斯科舞会；的士高；

有时，时而，不时；

adj.有雄心的；有野心的；有抱负的；炫耀的；

给你。；

(1) Give me a piggyback, Daddy!
(2) a piggyback ride
(3) to ride piggyback

piggyback
[ˈpɪgibæk]
📢 1 📢 2 📢 3 📢 4

n.背着，肩驮，背负式运输；
vt.背负式装运；
adj.背着的；[航] 在背肩上的；
adv.在背肩上；

vi.渐变；渐渐变为（与into连用）；渐渐消逝（与away连用）；取得资格（与as连用）；
vt.授予学位或毕业证书；从…接受学位；分成等级；标以刻度；
n.<美>毕业生；<英>大学毕业生；（已经取得学士学位正在攻读高级学位的）研究生；量筒；
adj.<美>毕业了的，研究生的；有（学士）学位的；

n.字( word的名词复数 )；（说的）话；诺言；口令；

adv.较晚地；以后，过后；后来；随后；
adj.后来的；以后的；接近末期的；晚年的；

(1) The harder the brake pedal is pressed, the greater the car's deceleration.
(2) Desegregation may be harder to enforce in rural areas.
(3) Age diminishes the heart's ability to pump harder and faster under exertion.

harder

📢 1 📢 2 📢 3 📢 4

n.商店；工厂；办事处；购物；
vt.& vi.（到…）去买东西[购物]；逛商店；
vt.购物；买东西；

n.美国人，美洲人；美国英语；
adj.美国的，美洲的；地道美国式的；

n.介绍；引言，导言；采用，引进；新采用的东西；

n.压帽坯机；
adj.困难的( hard的比较级 )；硬的；有力的；努力的；

(1) The formula in Hollywood is simple—money talks.
(2) I am wiser than to believe what you call money talks.
(3) Try to keep your money talks as dispassionate as possible.

money talks.

📢 1 📢 2 📢 3 📢 4

adj.每日的，日常的；一日的；每日一次的；每个工作日的；
n.日报；（不寄宿的）仆人，白天做家务的女佣；
adv.每日；逐日；每周日；日复一日地；

adv.的确，确实，实在；实际上，真正地；真的，真是；甚至；

n.耳朵；听觉，听力；耳状物；穗；
vi.抽穗；（美俚）听见；

st.金钱万能。；

(1) The ice cracked as I stepped onto it.
(2) He has cracked a bone in his arm.
(3) Her lips were dry and cracked.

crack
[kræk]
📢 1 📢 2 📢 3 📢 4

adj.焦虑的；紧张不安的；神经质的；

vt.破裂，打开；（使…）开裂；说（笑话）；开瓶；
vi.断裂，折断；碎裂声，爆裂声；镜子破裂了；失去控制，衰退；
n.裂缝；试图；缝隙；（可听到响声的）重击；
adj.训练有素的；技艺高超的；优秀的；一流的；

adj.可爱的；令人愉快的；亲切友好的；慷慨大方的；
n.美女，美人，佳人；漂亮的东西；

n.体验；滋味；味觉；风味；
vt.& vi.尝，品尝；
vt.吃；喝；浅尝；
vi.尝味；略进（饮食）；（少量地）吃；有某种味道；

(1) Dear Terry,'t cry please, you had try one's best enough.

try one's best
[trai wʌnz best]
📢 1 📢 2 📢 3 📢 4

vi.生存；居住；生活，过活；在生活中得到享受；
vt.经历；度过；adj.活着的；生动的，有精神的；经历充沛的；现场直播的；
adv.在（表演）现场，实况地；

prep.到…为止；在…以前；
conj.到…为止，在…以前；直到…才；

尽最大努力；肆力；

int.请；
vt.& vi.使高兴；使满意；讨人喜欢；讨好；

(1) ‘Does he still work there? ’ ‘I believe so/not . ’
(2) Three sailors are missing, believed drowned.
(3) believe me, she's not right for you.

believe
[bɪˈli:v]
📢 1 📢 2 📢 3 📢 4

v信任；料想；笃信宗教；
vt.相信；以为，认为；对…信以为真；信任；

抬头看（某人或某物），尊重[敬仰]（某人）；企慕；瞧得起；仰慕；

adj.最靠近的；

adj.自豪的，得意的；光荣的，高尚的；傲慢的；有自尊心的；

(1) I can't find a clean shirt (= one I haven't worn since it was washed) .
(2) Are your hands clean?
(3) to wipe sth clean

clean
[kli:n]
📢 1 📢 2 📢 3 📢 4

adv.后天；

vt.& vi.吃，喝；
vi.（食物）吃起来感到；咬；（人）感到苦恼（或烦恼）；侵蚀，腐蚀；
vt.（如酸）腐蚀；吃完；吃得使；侵蚀成；

v.唱，歌唱( sing的过去式 )；（鸟）鸣；嗡嗡叫；呜呜作响；

adj.清洁的；整齐的；新的；正派的；
vt.& vi.（使）清洁；变干净；除去…的灰尘；使…干净；
vi.清扫；
adv.完全地，彻底地；
n.打扫；

(1) a silly idea
(2) That was a silly thing to do !
(3) Her work is full of silly mistakes.

silly
[ˈsɪli]
📢 1 📢 2 📢 3 📢 4

adj.蠢的；糊涂的；不明事理的；没头脑的；
n.（常用于向孩子指出其愚蠢行为）傻孩子，淘气鬼；傻子，蠢货；

n.刷子，画笔；灌木丛；小冲突；
vt.刷；掠过；擦；轻触；
vi.刷；擦过；

n.毕业；毕业典礼；刻度，分度；分等级；

n.无线电；收音机；无线电广播台；无线电收发报机；
vt.& vi.用无线电发送讯息；作无线电广播；用X射线拍照；

(1) It's a bit like my house, only nicer.
(2) Have you ever seen a nicer place nor this one?
(3) You're far nicer when you're just being yourself.

nicer

📢 1 📢 2 📢 3 📢 4

adj.幸福的，幸运的；快乐的，愉快的；巧妙的；〈口〉有点醉意的，飘飘然的；

n.公文包；手提包；公事包；手提箱；

adj.良好的；

adj.同一的；相同的，同样的；
pron.同一事物；同样的人；（和…）同样的事物；（数目、颜色、大小、质量等）相同；
adv.同样，类似；

(1) Officials arrived to assess whether it is safe to bring emergency food supplies into the city...
(2) Most foods that we eat are safe for birds.
(3) In the future people can go to a football match knowing that they are safe from hooliganism...

safe
[seɪf]
📢 1 📢 2 📢 3 📢 4

adv.通常，经常，平常，惯常地；一直，向来；动不动，一般；素；

adj.安全的；保险的，肯定的；无损的；提供保护的；
n.保险箱，保险柜；冷藏箱；〈俚〉避孕套；

adj.左边的，左侧的；左派的；
n.左，左面；[军]左翼；左派，激进分子；
adv.向左；在左边；
v.离开( leave的过去式和过去分词)；

这么；这么样；这样；

(1) Local feeling does not necessarily concur with the press.
(2) Their success does not necessarily reflect a leftward shift in politics.
(3) Going grey is not necessarily synonymous with growing old.

not necessarily
[nɔt ˈnesisərili]
📢 1 📢 2 📢 3 📢 4

未必，不一定；不见得；

（我）明白了。；原来如此；

n.女朋友；女性朋友；

pron.(I的所有格)我的（东西）；
n.矿；矿井；地雷；水雷；
vt.& vi.在…中开采，开采；
vt.在…中[下]布雷；以地雷[水雷]炸毁；

(1) He pretends to be friendly with girls. That is his usual practice.
(2) He pretended to be friendly with me.
(3) By doing so, I can love me and be friendly with me in all my parts.

be friendly with
[bi: ˈfrendli wið]
📢 1 📢 2 📢 3 📢 4

n.老板，上司；领袖，首领；[机]轴套，套筒；
vt.当…的首领；管理，指挥；
vi.当首领；发号施令；
adj.<俚>很好的，一流的；

adv.偶然地，意外地，非故意地；

同（某人）谈话；责骂；

对…友好；对…友善；交好；

(1) My failure have made me at myself in a way i never wanted to before.
(2) So in a way it is unfair to complain about loose ends.
(3) in a way, I'm glad you made that mistake, for it will serve as a warning to you.

in a way
[in ə wei]
📢 1 📢 2 📢 3 📢 4

（用…）代替…，（是…）而不是…，（用…）而不用…；

旱；

vi.呼吸；活着，生存；小憩一会儿，歇歇气；散发香气；
vt.呼吸；吸进（如香气）；尤指平静地吐露，低语；使…明显的，暗示；

在某种程度上；一点；

(1) Is this milk fresh?
(2) fresh bread/flowers
(3) Eat plenty of fresh fruit and vegetables.

fresh
[freʃ]
📢 1 📢 2 📢 3 📢 4

pron.他[她，它]们的；（在提及性别不详的人时，用以代替 him 或 her）；代指之前已经提到的或指向非常明显的一群人或事物的；

n.树；木料；树状图；宗谱；
vt.把…赶上树；使处于困境；把鞋型插入（鞋内）；

adj.大的，长大的；大的( big的比较级 )；重要的；（计划）庞大的；大方的；

adj.新鲜的；淡水的；新的；无经验的；
adv.刚；最新的；
n.开始；新生；泛滥；淡水流；

(1) That's absolutely right...
(2) Clocks never told the right time...
(3) Walking, done in the right way, is a form of aerobic exercise...

right
[raɪt]
📢 1 📢 2 📢 3 📢 4

vt.印；给…以深刻印象；使铭记；
n.印象；印记；

vt.& vi.学习，学会；习得；得知；记住；
vt.记住；学习；得知；认识到；
vi.学习；获知；

adv.立刻，马上；向右，右边；恰当地；一直；
adj.右方的；正确的；合适的；好的，正常的；
n.正确，正当；右边；权利；右手；
vt.纠正；扶直，使正；整理；补偿；
vi.（船舶等）复正，恢复平稳；

adv.立即，马上；直接地；紧接地；
conj.一…就，即刻；

(1) Mexico city
(2) the city of York
(3) The city turned out to welcome the victorious team home.

city
[ˈsɪti]
📢 1 📢 2 📢 3 📢 4

vt.穿着，戴着；面露；留着（胡须等）；磨损；
vi.耐用；保持不变；磨损，耗损；逐渐或枯燥地通过；
n.穿着；穿戴物，衣物；磨损，穿旧；耐用性；

adv.大概；或许；很可能；备不住；

n.（车轮的）辐条；轮辐；破坏某人的计划；阻挠某人的行动；
v.讲，谈( speak的过去式 )；说；演说；从某种观点来说；

n.城市；全市居民；（由国王或女王授予特权，通常有大教堂的）特许市；（由政府授予特权的）特权市；

(1) I would prefer to spend the weekend at home rather than driving all the way to your mother's.
(2) These chromosomes are so simple that some geneticists prefer to call them chromonemes.
(3) What do you prefer to do after work?

prefer to
[priˈfə: tu:]
📢 1 📢 2 📢 3 📢 4

n.背着，肩驮，背负式运输；
vt.背负式装运；
adj.背着的；[航] 在背肩上的；
adv.在背肩上；

n.乐趣；娱乐活动；嬉戏，嬉闹；有趣的事；
adj.使人愉快的；开心的；
vi.嬉闹；开玩笑；

较喜欢，宁愿；提升某人为；

(1) proud parents
(2) the proud owner of a new car
(3) Your achievements are something to be proud of .

proud
[praʊd]
📢 1 📢 2 📢 3 📢 4

n.练习；运动，训练；运用；典礼；
vi.锻炼，训练，练习；
vt.锻炼（身体某部位）；使焦虑，使忧虑；实行，发挥（作用）；运用；

adj.自豪的，得意的；光荣的，高尚的；傲慢的；有自尊心的；

adv.代替，顶替；反而；反倒；

adj.（男子）英俊的，漂亮的；（女子体态）优美的；可观的；大方的，慷慨的；

(1) His victory in the tournament earned him $50 000.
(2) All the children are earning now.
(3) Your money would earn more in a high-interest account.

earn
[ə:n]
📢 1 📢 2 📢 3 📢 4

vt.& vi.赚得；获得；赢得；博得；
vt.赚，赚得；获得；挣得；使得到；

adj.医学的；医药的；医疗的；内科的；
n.体格检查；

adj.偶然的；临时的；随便的；非正式的；
n.临时工人；[军]待命士兵；没有固定工作的劳动者；不定期领取救济金的人；

pron.我们的；

(1) She could no longer recollect the details of the letter.
(2) I don't recollect what he said.
(3) I recollect him/his saying that it was dangerous.

recollect
[ˌrekəˈlekt]
📢 1 📢 2 📢 3 📢 4

n.意外事件；事故；机遇，偶然；附属品；

vt.记起，想起；
v.想起；回想，追忆，回忆，记忆；使（自己）想起一时忘掉的事；想到；

n.吃…的人；腐蚀物，腐蚀剂；

v.搜寻，搜索；调查；搜查；探求；
n.搜索；调查；探求；

(1) She could not recall his name.
(2) If I recall correctly, he lives in Luton.
(3) I can't recall meeting her before.

recall
[rɪˈkɔ:l]
📢 1 📢 2 📢 3 📢 4

vt.叫回，召回；使想起，回想；取消；调回工厂；
n.召回，唤回；记忆力，回想；罢免；收回通告；

adj.可信赖的，可靠的；准；塌实；踏实；

adj.重的，巨大的；重的( heavy的最高级 )；沉重的；充满；（机器、车辆或武器）重型的；

较喜欢，宁愿；提升某人为；

(1) discounts on televisions, stereos and much more besides
(2) I don't really want to go. besides, it's too late now.
(3) I've got no family besides my parents.

besides
[bɪˈsaɪdz]
📢 1 📢 2 📢 3 📢 4

adj.陌生的，生疏的；奇怪的，古怪的；疏远的；外国的；
adv.奇怪地；陌生地；冷淡地；

adj.贫穷的，贫乏的；令人怜悯的，可怜的；匮乏的；低劣的；
n.the poor 贫困者，穷人；

adv.而且；此外；以及；更；
prep.（表示排斥）除…之外（还有）；在…之外（还有），…之余兼；

n.那时；那儿；其次；这儿；

(1) The number of places available is necessarily limited.
(2) The more expensive articles are not necessarily better.
(3) Biggest doesn't necessarily mean best.

necessarily
[ˌnesəˈserəli]
📢 1 📢 2 📢 3 📢 4

adv.必要地；必需地；必定地；必然地；

不得不，只好；只得；必须；不得已；

n.痛苦；刻苦；令人厌烦的人[事物]；身体某部分的疼痛[不适]；
vt.& vi.（使）疼痛，（使）痛苦，伤害；
vt.使…痛苦；使…烦恼；
vi.感到疼痛；引起疼痛；

接电话；

(1) self-catering holiday apartments
(2) You can visit the whole palace except for the private apartments.
(3) ...the private apartments of the Prince of Wales at St James's Palace.

apartment
[əˈpɑ:tmənt]
📢 1 📢 2 📢 3 📢 4

vt.& vi.写；写信；写作；作曲；

n.寓所，住房；房间；公寓楼；（有特殊用途或专属某人的）豪华寓所；

adv.在这里；这时；在这一点上；（给某人东西或指出某物时说）；
n.这里；
int.喂；嗨；

n.坚持不懈，不屈不挠；

(1) They had been invited to a Hindu wedding and were not sure what happened on such occasions.
(2) He said he didn't have time or made some such excuse.
(3) She longed to find somebody who understood her problems, and in him she thought she had found such a person.

such
[sʌtʃ]
📢 1 📢 2 📢 3 📢 4

vt.& vi.跑；移动；（使）流动；
n.奔跑；行程；放映期；一系列；
vi.（工作等）进行；延续；逃跑；行驶；
vt.使奔跑；使…快速移动；运行，经营；划；
adj.融化的；浇铸的；跑的筋疲力尽的；

vt.& vi.缝，做针线活；缝纫；装钉（书籍）；

adj.这样的；如此的；这么大的；非常的；
pron.这样的事物[人]；

未能…；

(1) She is always polite and considerate towards her employees.
(2) It was very considerate of him to wait.
(3) I think he's the most charming, most considerate man I've ever known...

considerate
[kənˈsɪdərət]
📢 1 📢 2 📢 3 📢 4

逃跑，走掉；逃脱；（使）流走[掉]；出奔；

n.丰富，大量；充足，充裕，充分；
adv.相当地，充分地；（口）十分，充分；
adj.足够的，很多的，充裕的；很多的；

n.海；海洋；许多；大量；

adj.体贴的，体谅的；深思熟虑；到；慎重；

(1) This, after all, is a company which is awash with cash.
(2) after all, what more can anyone be than themselves?
(3) after all, 15 minutes of exercise is better than nothing.

after all
[ˈɑ:ftə ɔ:l]
📢 1 📢 2 📢 3 📢 4

adj.灰心的；沮丧的；气馁的；泄气的；
v.使气馁( discourage的过去式和过去分词 )；使沮丧；阻碍；劝阻；

adj.想家的，患思乡病的；莼鲈之思；

adj.& pron.that的复数；
adj.那些的，那；
n.那，那个( that的名词复数)；（指较远的人或事物）那；（指已提到过或已知的人或事物）那；（特指）那；

毕竟；究竟；归根结底；（解释或说明理由）别忘了；

(1) What do you like to do in your spare time?
(2) I don't believe in ghosts, do you?
(3) He does not believe in the existence of ghosts.

believe in
[biˈli:v in]
📢 1 📢 2 📢 3 📢 4

vt.证明，证实；[法]验证，检定；显示；
vi.显示出，证明是；

adj.给予帮助的，有益的；愿意帮忙的；

信赖；信仰；

vt.& vi.乘，骑，驾；
n.（乘坐汽车等的）旅行；乘骑；（乘车或骑车的）短途旅程；供乘骑的游乐设施；
vt.（骑马、自行车等）穿越；搭乘；飘浮；

(1) ‘Accidents will happen ’, as the saying goes .
(2) We also realize the truth of that old saying: Charity begins at home...
(3) Her favourite saying was: 'There are a lot of people far worse off than me.'

saying
[ˈseɪɪŋ]
📢 1 📢 2 📢 3 📢 4

vt.提到，说起；提名表扬；
n.提及；

n.话；说话；谚语，格言；
v.说(say的ing形式)；

n.顶，顶部；（箱子）盖，（书页等的）上栏；首席；陀螺；
adj.最高的；顶上的；头等的；最大的；
vt.形成顶部；达到…的顶端；处于…的最前头；领导；
vi.总结；超越；高耸；结束；

关心，挂念；惦；