环丙烷...

proportion的复数形式为：proportions...

property的复数形式为：properties...

He would never be improper, he is always the perfect gentleman.他总是举止得体，一直是个完美的绅士。It's improper to drop in on him so casually.这样冒冒失失去找他可不好.What an improper suggestion!多么不体面的建议!...

In male company, perhaps he did overstep the bounds of propriety.在清一色男性的公司里，可能他的举止确实有失得体。His marriage and family life is a model of propriety.他的婚姻和家庭生活都是规规矩矩的。Nobody questioned the propriety of her being there alone.没人认为...

We must keep a sense of proportion about all this.我们对所有的这些都要有轻重缓急之分。A substantial proportion of the population speak a French-based patois.人口中有一大部分说以法语为基础的混合语。The proportion of women in the profession had risen to 17.3%....

propagations的音标：...

He succeeded in propelling the ball across the line.他成功地把球带过线。Defects -- Cowhocks, or straight hocks. Lack of muscle and propelling power.牛肢, 飞节太直, 缺乏肌肉和推动力.A propelling pencil with break - resistant 0.7 - mm lead for se...

n.二丙基...

二乙丙二醇...

proper的近义词/同义词有：perfect, accurate, faultless, respectful, right, decent, correct, fitting, tasteful, apt, allowable, adapted, desired, formal, true, righteous, equitable, acceptable, perfect, pure, applicable, decent, ac...

Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lewis acid as ZnX 2.环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇....

n.（观点、信仰等的）传播者，培植箱，培育箱，网箱...

property的近义词/同义词有：belongings, possession, holdings, quality, possession, wealth, manor, holding, belongings, estate, domain, trait, acquisition, asset, goods, speciality, characteristic, remainder, resource。n.property的近义...

proper的近义词有：fit, proper, suitable, appropriate, apt, fitting。下面这些形容词均表示"适当的"或"适合的"的含义：fit：指具有适合于某个目的，某种工作或某种用途等必需的品质或条件。proper：往往侧重于符合某个标准或习惯。suitable：指具有适合于某种特定场合、地位或情况等的品质。appropriate：指专门适合于某人或某事，语气较重，强调"恰如其分"。apt：专指性质...

diisopropylcarbinol的音标：diisopropylcarbinol的英式发音音标为：[dɪsɒprɒpɪl'kɑ:rbɪnɒl]diisopropylcarbinol的美式发音音标为：[dɪsɒprɒpɪl'kɑrbɪnɒl]...

v.提议（proposition的现在分词形式）...

相对于某事物来说，与某事物成比例...

When it is done properly, arts sponsorship can be more effective than advertising.如果方式得当的话，艺术赞助可能比做广告更有效。They are well and properly sold to the darkness of the antichrist.他们完全把自己出卖给了反基督的黑暗.If he couldn't prepare his...

Root the cuttings in a heated propagator.把插条放在加热的培育箱里生根。The Security Descriptor Propagator has been notified of waiting propagation events.安全描述符传播程序已经被通知要等待传播事件.The Security Descriptor Propagator is waiting for a propaga...

proprietor的反义词有：proprietress。n.proprietor的反义词（所有人）：proprietress。...

proprietor的近义词/同义词有：holder, the, master, monor, landlady, lord, property-owner, landowner, landlord, possessor, landholder, owner, freeholder, of, deed, licensee, keeper, manager, employer, lord。n.proprietor的近义词（业主,所有人）：...

美索茶碱...

improperly的音标：...

adv.不相称地，不均衡地...

n.不均衡，不成比例vt.使不均衡，使不对称...

appropriate的一般过去时为：appropriated...

adv.不适当地...

比例失调...

A sense of period was evoked by complementing pictures with appropriate furniture.给照片配上一些合适的家具，唤起了一种年代感。It is appropriate that Irish names dominate the list.名单上大部分是爱尔兰名字，这没什么不合适的。Most vacancies are at senior level, requi...