dimethylamine的意思

dimethylamine的音标：dimethylamine的英式发音音标为：[daɪmeθɪlə'mi:n]dimethylamine的美式发音音标为：[daɪmeθɪlə'min]...

The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...

bowstring的一般过去时为：bowstringed...

n.个案记录簿...

v.当心，提防...

Every night the sidewalk bars of the newly restored Place de Luxembourg overflow with young Eurocrats.到了夜晚,新修复的卢森堡广场的街边酒吧中都是年轻的“欧盟官员”.A meeting of agriculture ministers in Luxembourg today has so far failed to reach agre...

He was as crisp as a new dollar bill - as clean, sharp, firmly limned.他就象一张崭新的钞票一样利落 -- 一样干净, 鲜明, 一丝不苟....

eucaryote的音标：eucaryote的英式发音音标为：[ju:'kærɪəʊt]eucaryote的美式发音音标为：[ju'kæriˌoʊiət]...

spooned的音标：spooned的英式发音音标为：[s'pu:nd]spooned的美式发音音标为：[s'pund]...

Hans deftly ducked their blows.汉斯灵巧地躲过他们的击打。It was wonderful to watch her fingers moving deftly and unerringly.观看她的手指灵巧而又准确无误地移动是一件美事。He picked each lock deftly, and rifled the papers within each drawer.他熟练地撬开每一把锁，把每个抽屉里...

“怒吼”的近义词/同义词：咆哮, 狂嗥, 吼怒。...

There are two main kinds of timber trees - softwoods and hardwoods.用材树种有两大类 -- 软木材与硬木材.This region contains areas which are prinarily covered with either high density conifers or meadow hardwoods.该地区,主要的植被覆盖是高度的针叶树类或草地阔叶...

n.磁化，磁化强度，磁化作用，吸引...

使用恰当的材料至关重要。The use of the correct materials was crucial.如果缺少恰当的后续行动，该项目可能失败。The project could fail if there is inadequate follow-through.他这番话对讨论作了恰当的总结。What he said was a fair summation of the discussion....

adj.（赛艇）有舵手的v.做舵手( cox的过去分词 )...

forepole的音标：forepole的英式发音音标为：['fɔ:pəʊl]forepole的美式发音音标为：['fɔpoʊl]...

“电疗学”的英语可以翻译为：[医] electropathy，electrotherapeutics，electrotherapy，electrology ...