Based on the reactions , this paper reports research for synthesizing benzaldehyde.简要介绍以此类方法对合成苯甲醛的研究.Natural benzaldehyde is prepared by hydrolysis cassia leaf oil.从桂叶油出发,通过碱性水解制备天然苯甲醛.Pitch resin was synthesized from b...
据说帐篷的缝合处快炸线了。The camps are said to be bursting at the seams.他将球直接打进迎宾帐篷里。He struck the ball straight into the hospitality tents.一些小东西在帐篷四周的草丛里窸窸窣窣地动着。Small things stirred in the grass around the tent....
她怎么会事先知道我要出去？How could she tell beforehand that I was going to go out?这可不是头脑一热作出的决定。我们事先仔细地讨论过。It wasn't a spur-of-the-moment decision. We discussed it in detail beforehand.我临走时特地事先把办公桌清理了一下。I took the precaution of...
In the roots of the olives, you could find centipedes as long as a pencil.在橄榄树的根部可以找到像铅笔一样长的蜈蚣。Machines now exist to pack olives in jars.现在可用机器将橄榄装进罐子里。Ring the changes by adding spices, dried fruit or olives.加点香料、干果或橄榄以...