归纳了对苯二胺的各种制备方法,并讨论了其工业化的优劣.The synthesis ofp - Phenylenediamine was summarized and its route of industrialisation was discussed.简要介绍了对 苯二胺 的用途和新工艺法合成对 苯二胺 的前景.Finally, application ofp - phenylenediame and its new craft p...
It's your personal inner divining rod of truth . Discover your purpose.人生目的是你内在的真理权杖,你得去发现它....a divining rod.探测杆To locate ( underground water or minerals ) with a divining rod ; douse.用占卜杖探 ( 水源或矿脉 )The only reason...
The words of this report are as apt today as in 1929.这份报告的措词用在今天和用在1929年一样贴切。She was apt to raise her voice and wave her hands about.她动不动就拔高嗓门，并挥舞双手。We are apt to wish for what we can't have.我们往往会祈求得不到的东西....