他的球投得极棒,使我们赢下了两场比赛。He bowled so well that we won two matches.如果你不喜欢,不要投他的票不就得了。Heck, if you don't like it, don't vote for him.她因投毒和谋杀未遂被判20年监禁。She was sentenced to twenty years' imprisonment for poisoning ...
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....