the expansion and contraction of the metal金属的膨胀与收缩Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来.The forces of expansion are balanced by forces of contraction.扩张力和收缩力相互平衡....

v.毁损，贬低，减损( detract的第三人称单数 )...

subcontracting的音标：subcontracting的英式发音音标为：[sʌb'kəntræktɪŋ]subcontracting的美式发音音标为：[sʌb'kəntræktɪŋ]...

This compass serves as a protractor.这个罗盘可用作分度规.To draw to scale by means of a scale and protractor; plot.测绘用圆规和量角器划线和角; 标绘.I can't find my protractor.我找不到我的半圆仪了....

distractingly的音标：distractingly的英式发音音标为：[dɪs'træktɪŋlɪ]distractingly的美式发音音标为：[dɪ'stræktɪŋlɪ]...

The consortium includes some of the biggest building contractors in Britain.该联合企业包括英国最大的一些建筑承包商。Smaller contractors had been forced to shut down.规模较小的承包商已被迫歇业。We got estimates from three different contractors before acce...

n.大片土地( tract的名词复数 )，地带，（体内的）道，（尤指宣扬宗教、伦理或政治的）短文...

v.减，扣除，做减法( subtract的第三人称单数 )...

Objective : To investigate toxicity of ethanol extracts from hippocampus.目的研究海马乙醇提取物的毒性作用....the capitalist system, which extracts huge profits from arms production at the tax-payers' expense...牺牲纳税人利益、从武器生产中攫取巨额利润的...

adj.易处理的，驯服的，温顺的，听话，驯良...

n.难驾驭，棘手...

Tom admits that playing video games sometimes distracts him from his homework.汤姆承认玩电子游戏有时会使他无心做作业。I'm bored with bridge, but golf still distracts me.我已经玩厌了桥牌, 但是还喜欢玩高尔夫球.That kind of thing distracts us and keeps us ...

The company is subcontracting production of most of the parts.该公司外包了大部分零部件的生产。But subcontracting or independent brand is an endogenous choice to the firms.然而,对企业来说,代工还是自创品牌却是内生于经济利益的理性选择.One is a heightened awareness of ...

The main attractions of the Big Apple are well documented.对纽约的主要旅游胜地有详细的记载。The adaptability of wool is one of its great attractions.用途广泛是羊毛最具吸引力的特点之一。All the attractions of the peninsula beckon.半岛上的各处景点无不令人心驰神往。...

retract的一般过去时为：retracted...

胎头牵引钳...

The hotel is decorated imaginatively and attractively.宾馆装修别具一格，赏心悦目。The services are attractively priced and are tailored to suit individual requirements.服务费价格诱人且内容按个人需求量身定制。Set out the cakes attractively, using lacy doi...

Objective: The extractions on the carotenoid produced from Cordyceps militaries were studied.目的: 研究蛹虫草中类胡萝卜素的提取工艺.The extractions of glutenin and gliadin from vital wheat gluten were investigated.以谷朊粉为原料,提取了麦谷蛋白和麦醇溶蛋白.In...

The most likely outcome may be to subcontract much of the work to an outsider.最可能的结果是将大量的工作分包出去。work under a subcontract在转包合同下工作Subsidiary company get preferential treatment when it come to subcontract work.分公司承接转包(二包)工作...

Foods and fluids are mixed in the stomach by its muscular contractions.通过胃部肌肉的收缩食物和流质在胃中混合。Contractions are much more common in speech than in writing.缩略词在口语里比在书写中常见得多.Muscle contractions are powered by the chemical aden...

adj.引得出的，抽取的，萃取的n.抽出物，精，熬汁...

subcontract的音标：subcontract的英式发音音标为：[ˌsʌbkən'trækt]subcontract的美式发音音标为：[ˌsʌb'kɑntrækt]...

adj.思想不集中的，心烦意乱的，遭受矛盾的感情的vt.使分心(distract的过去式和过去分词)...

苍术炔...

subtract的音标：subtract的英式发音音标为：[səb'trækt]subtract的美式发音音标为：[səb'trækt]...

adj.拖延的，延长的v.拖延“protract”的过去式和过去分词...

contract的一般过去时为：contracted...

If you treble the distance, the gravitational attraction gets nine times weaker.如将距离增大两倍, 则其万有引力就减小九分之八.Many asteroids are weakly bound piles of rubble, held together by their own minute gravitational attraction.大多数的小行星都...

Gold and silver are tractable metals.金和银是容易加工的金属.He could easily manage his tractable and worshipping younger brother.他能轻而易举地管住听话并且崇拜自己的弟弟。Carrie seemed quite tractable, and he congratulated himself.嘉莉看上去很温顺, 他暗自感到庆幸....

The positive - going signal subtracts from the forward bias of the lower transistor.正向信号则使它的正向偏压减弱.Significant comorbidity such as ischemic heart disease and stroke subtracts 2 points.像缺血性心脏病和中风等明显合并症者也要减去2分.A businessma...