二过氯酸烃基酯产物可用作起爆药的敏化剂及作为烷化剂.The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.This paper studied the catalyti...
他们在一堆堆的二手衣服里翻找着合身的衣服。They rummage through piles of second-hand clothes for something that fits.每个座位旁都有带锁的柜子，我迅速翻找着里面的东西。There were lockers by each seat and I quickly rifled the contents.她在一些文件中翻找着。She ferreted among some...
马棚里传来一匹正在喂食的马的鼻声和蹄声.From the stable came the snuffle and stamp of a feeding horse.双手“叭”的一声挥动鞭子, 一行人就在头顶昏暗摇曳的路灯下蹄声得得地上路.The postilion cracked his whip, and they clattered away under the Feeble over swinging lamps.马越来越近了,蹄...
He is a metallurgist.他是冶金学家.I've come to pick your brains . You're metallurgist, and I've been asked this question about steel.我是来讨教你的专门知识, 你是一位冶金专家,有人向我提出有关炼钢这个问题.The metallurgist is a scientist who decid...
The matter was left in abeyance until Haig saw French.事情被搁置了起来，直到黑格见到法国人。The question is in abeyance until we know more about it.问题暂时搁置,直到我们了解更多有关情况再行研究.The law was held in abeyance for well over twenty years.这项法律被搁置了二十多...
The offer could not have come at a more opportune moment.那个建议提得正是时候。I believe that I have arrived at a very opportune moment...我想我到得正是时候。Her arrival was very opportune.她来得非常及时.an opportune moment适当的时候The invention of the...