(1) new laws to conserve wildlife in the area (2) Help to conserve energy by insulating your home. (3) The republic's factories have closed for the weekend to conserve energy.
conserve [kənˈsɜ:v] 📢 UK📢 US
vt.保护，保藏，保存；[化，物]使守恒；将…做成蜜饯； n.果酱，蜜饯；
实施，实行；
n.食指；
n.空气流通；通风设备；通风方法；公开讨论；
(1) He felled his opponent with a single blow. (2) Badly infected trees should be felled and burned. (3) ...a blow on the forehead which felled him to the ground.
(1) These stories derive from his experiences during the Long March. (2) The two attitudes derive from different historical perspectives. (3) All unconsciously the ideas they derive from the printed page are stored up.
derive from [diˈraiv frɔm] 📢 UK📢 US
由…起源；取自；
n.繁茂，丰富；充沛，充溢；
n.重磅炸弹，了不起的人或事；大片；风靡一时的事物；
n.旅行者，观光客；〈美〉冬季到南部做工的流动工人；
(1) I am confident you would succeed in the theater. (2) They inculcated the will to succeed in their children. (3) He is bound to succeed in his enterprise.
(1) Cars have become an indispensable part of our lives. (2) She made herself indispensable to the department. (3) A good dictionary is indispensable for learning a foreign language.
indispensable [ˌɪndɪˈspensəbl] 📢 UK📢 US
[医]低密度（的）；
vt.散布，散置；点缀；
adj.不可缺少的；绝对必要的；责无旁贷的；不可避开的； n.不可缺少的人或物；
adj.最适宜的； n.最佳效果；最适宜条件；[生物学] 最适度；
(1) Attorney: Before you signed the death certificate, had you taken the pulse? (2) Documentary proof for funeral such as death certificate and funeral receipt. (3) On seeing grandmother's death certificate, I felt extremely sad at heart.
(1) a deficiency of Vitamin B (2) deficiencies in the computer system (3) Vitamin deficiency in the diet can cause illness.
deficiency [dɪˈfɪʃnsi] 📢 UK📢 US
adj.当代的，现代的；同时代的，同属一个时期的； n.同代人；同辈人；同龄人；当代人；
vt.讽刺，讥讽；
n.缺乏，不足；缺点，缺陷；不足额；
n.刀具，刀叉；刀剑制造业；
(1) Keywords: Compulsory Education, Marketization of Education, Peer Effects, Efficiency, Equity. (2) make sure he delivers his goods. (3) make sure you back up the disk before you turn the computer off.
(1) watch out for cars when you cross the road. (2) Children are told to watch out for strangers when they are out without parents. (3) Health: watch out for colds or fevers.
watch out for [wɔtʃ aut fɔ:] 📢 UK📢 US
当心， 注意；警惕；
阻止；制止；
n.多样化，（人在种族、民族、宗教等方面的）多样性；差异；分歧；
n.队列，阵列；数组；一大批；衣服； vt.排列；部署兵力；打扮，装饰；
(1) Parents and kids will have fun while sharpening there arithmetic skills, together. (2) have fun & i want to know all kind of people aroundthe world. (3) have fun at what you do. It will reflect in your work.
have fun [hæv fʌn] 📢 UK📢 US
n.陆地动物饲养所，玻璃容器；
vt.竞争，为…而奋争；辩驳； vi.争斗；竞争；争夺；n.比赛；竞赛；搏斗；
在鼎盛时期；
玩得高兴，过得快活；耍笑；玩耍；
(1) Page is well versed in many styles of jazz. (2) He was well versed in employment law. (3) He is well versed in history.
versed [vɜ:st] 📢 UK📢 US
…富于，…丰富；
n.泰然自若；自信；体态；姿态； vt.使平衡；保持（某种姿势）；抓紧；使稳定；
adj.精通的，熟练的；
回转； 回顾；向后伸展；背叛；
(1) With lots of insurmountable disadvantages, the papyrus is substituted by parchment and paper at last. (2) In those days , paper was made from strips of the papyrus plant. (3) The Egyptians first used papyrus around the year 3000 B.C. to make a kind of paper.
papyrus [pəˈpaɪrəs] 📢 UK📢 US
v.竞选，赶快去请；
n.凝胶，白明胶；
n.纸莎草；纸莎草纸；
adj.基本的；必要的；本质的；精华的； n.必需品；基本要素；必不可少的东西；
(1) At the same time you take the scene, you can get a marriage certificate of red. (2) The pastor showed the marriage certificate to all of the guests. (3) Wife:'Nothing? You've been reading our marriage certificate for an hour.'
marriage certificate
📢 UK📢 US
vi.变化；不同，偏离；[生]变异； vt.使不同；使多样化；[音乐]变奏；
记住；怀；挂心；志；
结婚证书；
v.行；走；往；回（家）；
(1) substantial sums of money (2) a substantial change (3) substantial numbers of people support the reforms.
(1) Breakfast is served between 7 and 10 a.m. (2) serve the lamb with new potatoes and green beans. (3) They served a wonderful meal to more than fifty delegates.
(1) One in five undergraduates cannot write grammatically. (2) This essay is grammatically smooth and readable. (3) grammatically, the Sanskrit paradigm exemplifies the concept of radical.
grammatically
📢 UK📢 US
vt.破坏；毁灭；蹂躏；使荒废；
n.安慰；舒适；使人舒服的事物；给予援助或安慰的人或事； vt.安慰，使舒适；使（痛苦等）缓和；
adv.符合语法规则地；
adj.（动物）多鳞的；（皮肤）干燥粗糙的；鳞片状；
(1) Organized crime has an insidious influence on all who come into contact with it. (2) You can contract Aids if your bodily fluids come into contact with the bodily fluids of someone else who is infected with HIV. (3) I come into contact with Tom to the station at seven o'clock.
come into contact with
📢 UK📢 US
v.接触到，和…接触，碰到；打交道；联络；着；
adj.无法计量的，无限的；无可估量；无量；不可估量；
adj.虔诚的；笃信宗教的；宗教的；谨慎的； n.修士，修女，出家人；
n.公开辩论；论战；
(1) It is impossible to foresee how life will work out. (2) No one could have foreseen (that) things would turn out this way. (3) The extent of the damage could not have been foreseen.
foresee [fɔ:ˈsi:] 📢 UK📢 US
vt.预知，预见；有先见之明；
n.威胁；恐吓； vt.&vi.威胁；恐吓；
vt.限制，限定；约束，束缚；
vt.（音乐的）切分；词中省略，中略；
(1) I'll come back to the land of my forebears. (2) A person from whom one is descended , especially if more remote than a grandparent; a forebear. (3) He was a good man , but always forebear his wrath and complaint.
(1) The manuscript is just one of the treasures in their possession . (2) The gang was caught in possession of stolen goods. (3) The possession of a passport is essential for foreign travel.
possession [pəˈzeʃn] 📢 UK📢 US
n.解释，说明；翻译；表演，演绎；理解；
n.有，所有，拥有；领地；财产，所有权，占有物，所有物；持有违禁物；
adj.大量的；结实的，牢固的；重大的； n.本质；重要材料；
n.后代；后裔；（由过去类似物发展来的）派生物；弟子； adj.下降的；祖传的；
(1) A type of preparation technology for granular cellulose fiber for road construction is advanced. (2) cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized. (3) The production technology disposing of bamboo cellulose fibre & cotton fibre blended slubby yarn is introduced.
(1) The number of new students decreased from 210 to 160 this year. (2) The price of wheat has decreased by 15%. (3) This species of bird is decreasing in numbers every year.
(1) The band will be playing at 20 different venues on their UK tour. (2) Please note the change of venue for this event. (3) Birmingham's International Convention Centre is the venue for a three-day arts festival...
venue [ˈvenju:] 📢 UK📢 US
vt.容许；承认；忍受；容忍（不同意或不喜欢的事物）；
n.犯罪地点，案发地点；会场；（尤指）体育比赛场所；审判地；
n.减少，减小；减少量； vi.&vt.减少，减小；
adj.& adv.两手叉腰的[地]；
(1) He was struck down at the height of his career. (2) at the height of his fame, his every word was valued. (3) Let us guess at the height of the building.
at the height of [æt ðə hait ɔv] 📢 UK📢 US
n.预言者，预兆； vt.预告；充做…的前驱；
vt.以朋友的方式对待；帮助；照顾；
n.自然选择，物竞天择说；
在鼎盛时期；
(1) to be interested in wildlife conservation (2) to encourage the conservation of water/fuel (3) energy conservation
conservation [ˌkɒnsəˈveɪʃn] 📢 UK📢 US
adj.繁重的，费力的；
n.星座；一群杰出人物；一系列（相关的想法、事物）；一群（相关的人）；
n.保存；保护；避免浪费；对自然环境的保护；
n.糖浆，糖汁；糖浆类药品；甜蜜的情感；果汁，甜汁；
(1) The announcement of her retirement caused consternation among tennis fans. (2) His decision caused consternation in the art photography community... (3) Sam stared at him in consternation.
consternation [ˌkɒnstəˈneɪʃn] 📢 UK📢 US
adj.无所不在的；普遍存在的；
vi.参加某事；分享某事； vt.得到或接受某部分东西；
各种各样的；
n.惊愕；惊惶失措；惊恐；
(1) Health workers spread the word about the benefits of immunization. (2) Appropriate immunization against tetanus must be given to all patients with full thickness burn injury. (3) Objective : To explore novel strategy for soman antidote by chemical immunization.
(1) More and more of our savings are institutionalized rather than individualized. (2) She saw herself as a failure and had been institutionalized once for depression. (3) This inferiority complex has been institutionalized in the Chinese mind.
(1) a zebra's black and white stripes (2) a white tablecloth with red stripes (3) She wore a bright green jogging suit with a white stripe down the sides...
(1) A birth certificate is also important for another reason. (2) If you knew about the birth certificate, why didn't you confront me? (3) The adopted child has the right to see his birth certificate.
(1) It is difficult to define what makes him so popular. (2) The mountain was sharply defined against the sky. (3) The term ‘mental illness ’ is difficult to define.
(1) The loft can be accessed by a ladder. (2) The police gained access through a broken window. (3) Students must have access to good resources.
access [ˈækses] 📢 UK📢 US
n.态度，立场；站姿，被放置的姿势；位置；（运动员的）始发姿势；
vt.& vi.尝试，试图；尽力，竭力； n.努力，尽力；
n.入口，出口；接近，进入；增长；爆发； vt.接近，进入；使用，接近，获取；
adj.机智的，机敏的；得体的；老练的，圆滑的；婉转；
(1) He is both an old - world and a new - world figure, a feudal magnifico and a modern technocrat ( Observer ) (2) Jack Lew, the proposed new budget director, is the quintessential technocrat. (3) Mr Abbas has sworn in a new government led by a technocrat.
(1) a birth/marriage/death certificate (2) a Postgraduate certificate in Education (= a British qualification for teachers) (3) ...the Post-Graduate certificate of Education.
certificate [səˈtɪfɪkət] 📢 UK📢 US
n.证明书；文凭，结业证书； vt.发给证明书；用证书证明（或认可）；
认为…是…；
邻近，接界；近乎；接壤；濒；
adj.不断前进的；进步的；进行的； n.改革论者；进步分子；
(1) in short, WP aids document creation and record keeping. (2) The jeans of this style are in short supply now. (3) in short, the just would have to suffer for the unjust.