(1) You are free to leave the house at will. (2) The serf - owners had the right to beat , abuse or even kill the serfs at will. (3) The dark days when imperialism could carve up the world at will are gone for ever.
at will [æt wil] 📢 UK📢 US
任意，随意；信；
adj.属于偏执狂的；患妄想狂的；过分猜疑的； n.偏执狂患者；妄想症患者；
adj.政治的；政党的；对政治有兴趣的；争权夺利的；
n.（在海岸上长的或冲到海岸上的）海草（用作肥料等）；墨角藻；残败；漂来物；
(1) Older people comprise a large proportion of those living in poverty. (2) The committee is comprised of representatives from both the public and private sectors. (3) The collection comprises 327 paintings.
(1) There were several simultaneous attacks by the rebels. (2) simultaneous translation/interpreting (3) The game will be broadcast simultaneously on TV and radio.
simultaneous [ˌsɪmlˈteɪniəs] 📢 UK📢 US
v.抵抗，抗拒；忍耐；反对，抵制； n.防染剂；防腐剂；
vt.引起；创始，创作；开始，发生；发明； vi.起源于，来自；产生；起航；
adj.同时发生的，同时存在的；同时的；联立的； n.同时译员；
vt.迷住，吸引住；使感到非常愉快；
(1) She arranged plates and cutlery on a small table. (2) You should use your cutlery in the right order. (3) Where do you keep the cutlery?
(1) natural selection ensures only the fittest survive to pass their genes on to the next generation. (2) As we know, this theoretical proposal emphasizes the dimensions of species, aptitude and natural selection. (3) It affords, says Morgan, " a good'illustration of the operation of the principle of natural selection. "
natural selection [ˈnætʃərəl siˈlekʃən] 📢 UK📢 US
n.刀具，刀叉；刀剑制造业；
n.不变，不变性，永恒性；
与…相比，跟…相比；
n.自然选择，物竞天择说；
(1) He spoke fluently and without unnecessary hesitations. (2) I have no hesitation in recommending her for the job. (3) [不可数名词, 可数名词]She agreed without the slightest hesitation .
hesitate [ˈhezɪteɪt] 📢 UK📢 US
任意，随意；信；
博士学位；
vt.显露；揭露；泄露；[神]启示； n.揭示，展现；[建]门侧，窗侧；
vi.犹豫，踌躇；不愿；支吾；停顿； vt.对…犹豫；不情愿；
(1) It is turret to convey information up and down floor for ventilation and lighting. (2) It has used the turret of BMP 3 , but its chassis is designed by China. (3) Based on them , the position of the turret effect on the FPSO hydrodynamic performance is analyzed.
(1) advice on etiquette (2) medical/legal/professional etiquette (3) This was such a great breach of etiquette, he hardly knew what to do.
etiquette [ˈetɪket] 📢 UK📢 US
n.发起者，主办者；担保者；倡议者，提案人；后援组织； vt.赞助；
adj.重要的，主要的；前列的；首位的； n.行距；铅框； v.领导(lead的ing形式)；
adj.世界性的，全世界的；四海为家的；全球的； n.世界主义者；四海为家者；
n.礼仪，礼节；规矩；礼数；
(1) They drilled through several layers of rock to reach the oil. (2) a cave with striking rock formations (= shapes made naturally from rock) (3) The tunnel was blasted out of solid rock.
(1) So you wouldn't consider this to be a normal rescue procedure. (2) Berths on steamships can be booked a long while in advance. (3) All bookings will be made 3 days in advance.
in advance [in ədˈvɑ:ns] 📢 UK📢 US
n.（声音的）抑扬顿挫；节奏；韵律；调子；
对…厌烦；
adj.<医>躁狂的，患躁狂病的；疯狂的； n.躁狂者；
在前头；预先，事先；提前；先期；
(1) The countryside was dotted with small villages. (2) Small villages dot the countryside. (3) There are lots of Italian restaurants dotted around London.
dot [dɔt] 📢 UK📢 US
n.（装在项链等上的）垂饰，坠儿；
n.点，小圆点； vt.打点于；散布于；点缀；以小圆点标出；
vt.移居国外；
给…让出空地方；
(1) a coral reef (2) An unspoilt coral reef encloses the bay. (3) The KAZ 11 was spotted adrift on the outer Great Barrier reef on Wednesday.
reef [ri:f] 📢 UK📢 US
n.（总称）机器；（政府等的）机关，组织；机器的运转部份；机械装置；
n.礼仪，礼节；规矩；礼数；
adv.很，十分，特别，极其；离奇地；出奇；倍加；
n.礁，暗礁；[矿]矿脉；[航]缩帆部，榫帆部； vt.收帆，缩帆；
(1) He was accused of appropriating club funds. (2) Some of the opposition party's policies have been appropriated by the government. (3) Five million dollars has been appropriated for research into the disease.
appropriate [əˈprəʊpriət] 📢 UK📢 US
来自…， 源于…；起源；
n.祖先，祖宗；
adj.适当的；恰当的；合适的； vt.占用，拨出；
vt.使受欢迎；普及；使通俗化；使流行；
(1) The male bird is easily distinguishable from the female. (2) The coast was barely distinguishable in the mist. (3) She has already distinguished herself as an athlete.
(1) Venerable oaks forms a sylvan archway. (2) Claire sylvan is the executive director of the group. (3) Sharing their expertise, they provide unequaled personal service to sylvan customers.
sylvan [ˈsɪlvən] 📢 UK📢 US
adj.森林的，林木的；乡村的；
n.拍卖；竞卖；标售；（桥牌）拍卖玩法； vt.拍卖；竞卖；
n.复回，重现；反复，隐现；[数]循环；重新提起；
vt.预报，预测；预示； vi.预报，预测； n.预报；预言；
(1) quaint old customs (2) a quaint seaside village (3) ...a small, quaint town with narrow streets and traditional half-timbered houses...
quaint [kweɪnt] 📢 UK📢 US
adj.古色古香的；少见的，古怪的；离奇有趣的，；做得精巧的；
简而言之，总之；一句话；简言之；
跳起； 跃起；迅速成长；<非正>突然开始；
n.反映；（关于某课题的）思考；（声、光、热等的）反射；映像；
(1) Is it customary to tip hairdressers in this country? (2) She arranged everything with her customary efficiency. (3) It is customary to offer a drink or a snack to guests...
customary [ˈkʌstəməri] 📢 UK📢 US
adj.无所不在的；普遍存在的；
vi.变化；不同，偏离；[生]变异； vt.使不同；使多样化；[音乐]变奏；
n.<贬>窥淫癖者（喜欢窥视他人性行为）；刺探隐秘者（喜欢刺探他人的问题或私生活）；
adj.习惯的；通常的；照惯例的； n.习惯法；风俗志；
(1) Newton's laws of motion (2) The swaying motion of the ship was making me feel seasick. (3) (formal)Do not alight while the train is still in motion (= moving) .
(1) The brown rat has prominent ears and a long scaly tail. (2) If your skin becomes red, sore or very scaly, consult your doctor. (3) The Drake is a huge and scaly beast, able to breathe bolts of frost.
scaly [ˈskeɪli] 📢 UK📢 US
adj.（动物）多鳞的；（皮肤）干燥粗糙的；鳞片状；
即；就是；换句话说；更确切地说；
n.格言，权威的断言；宣言( dictum的名词复数 )；声明；名言；格言；
vt.公开；揭露；使显露；使暴露；
(1) He looked thoughtful. (2) They sat in thoughtful silence. (3) It was very thoughtful of you to send the flowers.
thoughtful [ˈθɔ:tfl] 📢 UK📢 US
v.以…为傲；
adj.无名的；假名的；匿名的；没有特色的；
adj.沉思的；体贴的；缜密思考过的，深思熟虑的；
在家千日好；
(1) an inventory of the museum's contents (2) The inventory will be disposed of over the next twelve weeks. (3) inventory control
(1) He volleyed the ball spectacularly into the far corner of the net. (2) My turnover increased spectacularly. (3) Many of her movies had been spectacularly successful.
(1) They all babbled simultaneously. (2) The two guns fired almost simultaneously. (3) The radar beam can track a number of targets almost simultaneously.
simultaneously [saɪməlˈteɪnɪəslɪ] 📢 UK📢 US
adv.同时地；一壁；齐；一齐；
n.呼吸；一口气；呼吸力；微量；
vi.（靠很少的钱或食物）维持生活，生存下去；
adj.（动物）多鳞的；（皮肤）干燥粗糙的；鳞片状；
(1) The idea evolved from a drawing I discovered in the attic. (2) The company has evolved into a major chemical manufacturer. (3) Each school must evolve its own way of working.
evolve [iˈvɔlv] 📢 UK📢 US
vt.使发展；使进化；设计，制订出；发出，散发； vi.发展；[生]通过进化进程发展或发生；
vt.& vi.毁坏；劫掠； n.破坏；蹂躏；
n.纸莎草；纸莎草纸；
n.恭维；敬意；道贺，贺词；致意； vt.向…道贺；称赞；向…致意；
(1) He was looking forward to working with the new Prime Minister. (2) Motor traders are looking forward to a further increase in vehicle sales. (3) Take a frequent backward look at yesterday, you will value today and look forward to tomorrow.
(1) One can overdress as well as appear sloppy. (2) Avoid the tendency to overdress. You will reduce unnecessary sweating which contributes to heat loss.
(1) frequently held misconceptions about the disease (2) a popular misconception (= one that a lot of people have) (3) Let me deal with some common misconceptions .
(1) Few businesses are flourishing in the present economic climate. (2) These plants flourish in a damp climate. (3) (especially British English)I'm glad to hear you're all flourishing.
(1) be aware of an own existence is the biggest happiness. (2) You must have studied the market and be aware of the present soaring market. (3) Each interruption wakes you for a moment, but you may not be aware of it.
be aware of [bi: əˈwɛə ɔv] 📢 UK📢 US
当心， 注意；警惕；
vt.发挥；运用；使受（影响等）；用（力）；
v.知道； 意识到；
adj.方便的；手边的，附近的；便于使用的；手巧的；
(1) He was diagnosed as severely dyslexic but extraordinarily bright. (2) I had a terrible head and was extraordinarily drunk. (3) Apart from the hair, he looked extraordinarily unchanged.
extraordinarily [ɪksˈtrɔ:dnrɪlɪ] 📢 UK📢 US
n.杰作，名作；杰出的事；
adv.很，十分，特别，极其；离奇地；出奇；倍加；
adj.怀旧的；回忆往事的；使人联想…的； n.回忆录作者；
n.资本主义（制度）；资本（或财富）的拥有；资本（私人占有和生产盈利）的支配地位；
(1) Thus, the keeper will regularly pulverize the peat to maintain a tropical atmosphere in the terrarium. (2) These under tank heaters permanently adhere to your terrarium, forming a solid bond for optimum transfer.