concentrate的一般过去时为：concentrated...

n.自动粉末检波器...

He was a politically conscious fighter for communism.在政治上, 他是个自觉的共产主义战士。The Gang of Four's absurd theory of socialism and communism led only to poverty and stagnation.“四人帮”荒谬的理论导致中国处于贫困、停滞的状态.They see this election ...

We have contingency plans.我们有应急方案。We should be prepared for any contingency.我们应该对任何应急情况有所准备.We must always be prepared for every contingency.我们必须始终做应急准备....

adj.扩及同空间的，伸及同时间的，同延的...

contracted的近义词/同义词有：constricted, curtate, abbreviated, pinched, retrenched, cut, shrunken, trimmed, narrowed, reduced, smaller, shrivelled, astringed, shortened, lessened, withered, wrapped-up, diminished, made, dwindled...

Ascomycetes of interest to humans include truffles, yeasts, and Penicillium species.对人类有利的子囊菌包括块菌, 酵母和产青霉素菌.Ascomycetes also important in study of mitotic recombination via a parasexual cycle.子囊菌在研究准性生殖中也是重要的.Most ascomy...

A conservative estimate of the bill, so far, is about £22,000.到目前为止，这笔账单保守估计大约为2.2万英镑。We consider it a compliment to be called "conservative"我们认为被称作“保守分子”是对我们的一种赞赏。He probably erred on the conservative rather than the ge...

zip code的复数形式为：zip codes...

Failure to comply with these conditions will result in termination of the contract.不遵守这些条件将导致合同终止。The graphics developed by this effort comply with MIL - D - 28003, the CALS Computer Graphics Metafile ( CGM ) standard.通过...

Eachband everybare generally used as determiners before singular countable nouns.一般都作限定词,用于单数可数名词之前.The word “person” is a countable noun.person这个词是个可数名词。Is this word a countable noun or an uncountable noun?一般说来,这里我们用代词来...

concentration的反义词有：distraction, distraction。n.concentration的反义词（集中;专心）：distraction。concentration的反义词（其他释义）：distraction。...

n.能力，技能，相当的资产...

come的近义词有：become, get, grow, turn, go, come,come, arrive, reach。下面这些动词均可表示"变成，成为"的含义：become：最普通用词，作为连系动词，指从一个状态向另一个状态的变化。get：常指某人或某物有意无意地获得引起变化的因素，结果使变成另一状态。grow：常指逐渐地变成新状态，强调渐变的过程。turn：侧重指变得与原来截然不同，有时含贬义。go：作为连系动词，通常与形容...

copious的近义词/同义词有：affluent, ample, plentiful, abundant, substantial, abounding, fruitful, plentiful, abundant, ample。adj.copious的近义词（丰富的）：affluent, ample, plentiful, abundant, substantial。copious的近义词（其他释义）：abounding, frui...

手导镜...

矮壮素...

v.（鸽）咕咕地叫，发出鸽叫般的声音( coo的过去式 )，温柔可爱地说话...

scoreboard的复数形式为：scoreboards...

An unruly mob broke down police barricades and stormed the courtroom.一伙暴徒捣毁了警察设置的路障冲进法庭。I'm wondering if that was the spirit in the courtroom, too.不知这是否也是法庭的精神。The courtroom was in an uproar.法庭上一片哗然。...

In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...

unconstitutional的近义词/同义词有：illegitimate, unauthorized, unlawful, illegal, unauthorized, illegal, unlawful, illegitimate。adj.unconstitutional的近义词（违反宪法的;非法的）：illegitimate, unauthorized, unlawful, illegal。unconstitutional的近义...

convector的音标：convector的英式发音音标为：[kən'vektə(r)]convector的美式发音音标为：[kən'vɛktɚ]...

a casual and conversational tone不拘礼节的谈话语气Mary is ambitious enough to aspire to conversational fluency in Chinese in four months.玛丽雄心很大,竟想在四个月里学会用汉语流利地会话.Gender differences in conversational patterns may cause inharmony a...

income的近义词有：earnings, allowance, income, salary, wage, pay, fee,revenue, income。下面这些名词都可表示"工资，收入"的含义：earnings：多指通过劳动或投资等手段所得到的收入。allowance：指收入中的补贴部分。income与earnings含义很相近，但前者强调总收入。salary：指按年定下，按月或星期平均给予的报酬，指脑力劳动者的薪水。wage：...

v.遮盖，掩蔽，涉及，洒上n.覆盖物，避难所，掩护，封面...

I believe unicorn was once living in the world.我相信独角兽曾经生活在这个世界。The captain of the Unicorn was led to the royal palace.“独角兽号”船长被引进王宫.He’s modelled a unicorn in wax.他用蜡制作了一个独角兽。George Orwell, 1940. The Lion and Unicorn. ib...

Councilmen spoke up and set forth many suggestions for revision and complement.理事们踊跃发言,提出了若干修改、补充意见....

It is estimated that every year 50 unaccompanied children arrive in Britain.据估计，每年有50名儿童独自来到英国。No unaccompanied children allowed.无大人带领的儿童不许进入。For an encore, he sang an unaccompanied folk song.应观众再唱一曲的要求, 他清唱了一首民歌....

adj.不足以令人相信的，不可信的...