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.The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.双长链烷基甲基叔胺是脂肪醇和二甲胺催化胺化反应的主要 副产物.Dialkylmethylamines are the ...
一垒手 、 二垒手、三垒手和游击手则叫做内野手.The first, second and third basemen and shortstop are called infielders.防御二垒垒包附近的内野手.Second Baseman - The fielder who plays the infield near the second - base bag.三垒手:防御三垒垒包附近的内野手.Third Baseman - ...
Do forgive our lackings, failures, lacking of absoluteness and unfaithfulness again.我们接受你是光,求你再赦免我们的亏欠 、 错误 、 我们的不绝对、不忠心.Absoluteness again how, still have at least a remembers there.绝对又如何, 至少还有一份记忆在那里.Port regulation ca...
The pill is the most efficient method of birth control.服用避孕药是最有效的避孕方法。She had been on the pill for three years.她吃口服避孕药已有3年。It was at that time she started taking the contraceptive pill.她就是从那个时候开始服用避孕药的。...
This allows the two cultures to intermingle without losing their separate identities.这使得两种文化能相互融合，却又不失其个性。Oil and water will not intermingle.油和水不相融。to intermingle with each other互相来往Tumor cells at the margin may intermin...
I was close by as Lester was stretchered into the ambulance.莱斯特被用担架抬进救护车时我就在旁边。A few cars passed close by me.几辆车贴着我开过去。Did a new hairdressing shop open close by?附近是不是新开了一家理发店？...
...cream silk stockings.米色丝袜The salesman sorted his new consignment of stockings.推销员把新到的一批长袜清理分类.Her stockings wrinkled at the ankles...她的长筒袜在脚踝处起了褶儿。...wrinkly cotton and wool stockings.起了褶子的棉毛长筒袜She wears a pair of she...
Having the right equipment at hand will be enormously helpful.手头上有合适的设备将会帮上大忙。Somewhere close at hand a train rattled by.一辆火车从我的身边轰隆隆地开过。When he writes , he always keeps a dictionary at hand.他写作时手边总备有一本词典....