从苯乙腈制取苯基硝基甲烷就用这个方法.This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.设计了一套回收制药废液中乙腈的新工艺.A novel process of acetonitrile recovery from pharmaceutical effluent was designed.有机氰化物, 如乙腈 、 ...
It is better to stretch the tight muscles first.最好先伸展一下僵硬的肌肉。I'm trying to move on and stretch myself with something different.我正想换工作，想尝试点不一样的事情来挑战一下自己。Stand straight and stretch the left hand to the right foot.站直身体...
In truth, however , the treaty was a bluff on the part of the Asgard.但真相确实, 条约只是asgard虚张声势而已.Despite the disapproval of the Asgard , the Goa'uld became a great threat to the Milky Way.尽管asgard的反对, goa'uld成了很大的威...
Shepherds was pelting through the gloaming their sheep and goats.牧羊人在暮色中驱赶他们的羊群.Dawn comes and you see its path - the glistening leaf, the gloaming stem blackening garden vine.拂晓时分,你随处可见它的踪迹,在闪亮的叶子上,朦胧的茎干上, 盘曲黝黑的藤蔓上....