This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound.本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法....
After some technical hitches the show finally got under way.一些小技术故障解决后，演出终于开始了。He hitches a lift with a long - distance truck.他搭上了一辆长途卡车.One shoulder hitches upward in a shrug.她肩膀绷紧,然后耸了耸....
大人尚且举不起来, 何况小孩子.Even grown - ups can't lift it, to say nothing of children.我们死都不怕, 何况困难?We fear no death, let alone difficulties.你跑得那么快还赶不上他, 何况我 呢 ?If a good runner like you can't catch up with him, how can I?...
The cold weather had most deleterious consequences among the chrysanthemums.寒冷的天气对菊花产生了极有害的影响.Petty crime is having a deleterious effect on community life.轻微罪行正对社区生活产生有害影响。Exactly why the foreign body is so deleterious i...