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....
他用肘轻推他的朋友告诉他该走了.He nudged his friend to let him know it was time to leave.他的儿子轻推了它和惊奇了多么重它是.His sons nudged it and was surprised how heavy it was.他向她耳语了几句, 她咯咯笑着,用肘轻推了他一下.He whispered something in her ear. She giggled. S...
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...
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....