It was originally obtained by decarboxylation of benzoic acid.它最先是由苯甲酸脱羧而得到的.The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.简要概述了2,4-二氯-5-氟苯甲酸的用途及其合成方法.Join the 1 % ...
The stationmaster pounced and wrestled the gun from him.站长猛扑过去，奋力夺下他手中的枪。He pounced on the photographer, beat him up and smashed his camera.他突然扑向摄影师，痛打了他一顿，还摔碎了他的照相机。As soon as I opened my mouth, the teacher pounced on m...
If the warranty is limited, the terms may entitle you to a replacement or refund...如果保修有限制，根据条款你也许可以要求退换或者退款。How does one entitle the queen when speaking directly to her?直接同女王讲话时,我们该怎样称呼她 呢 ?If the warranty is limited, t...
I can't hold with him — he's insupportable.我不能容忍他,他简直使人受不了.The power of the nobility continuously increased, until about the year 600 B.C. it became insupportable.贵族的统治日益加强, 到了公元前600年左右,已经变得令人不能忍受了.It is ludicr...
What time did Uncle Herman leave?霍曼叔叔什么时候走的?For all who knew him, " Ask Herman " became a bywork.凡是认识他的人都把 “ 问赫尔曼 ” 当作一句口头禅.Herman had acted as if he were devoted to Yasha.赫尔曼还装出一副对雅夏心悦诚服的样子....