在1,2--二亚甲基环丁烷中并不发生这种现象.This phenomenon does not occur with 1 - 2 - dimethylenecyclobutane.环丁烷主要成 “ 蝶式 ” 构象存在.Cyclobutane exists predominantly in a " butterfly " conformation.四 号 溶剂主要成分为液化丁烷.The main component in 4 # solv...
His abiding passion was ocean racing, at which he scored many successes.他一直酷爱海上赛艇，并多次在比赛中获胜。APEC seems be drowning in an ocean of jargon.亚太经合组织似乎为一大堆空洞的胡言乱语所淹没。Our boat would not have been appropriate for ocean voyaging....
There's such pressure to be happy in Hawaii, if you're unhappy you're on a guilt trip...就好像去夏威夷就一定要开心似的，如果你不开心，你会一个劲儿地感到愧疚。Nowhere is language a more serious issue than in Hawaii...没有哪个地方像夏威夷那样，语言成了如此重要的问题...
The Koran recommends fasting as a penance before pilgrimages.《古兰经》劝告人们在朝圣前斋戒，以作为一种补赎。The transmission began with a recitation from the Koran.节目一开始是一段《古兰经》朗诵。I had learnt a portion of the Koran.我学过一点儿《古兰经》。...
Leo, will you say grace?利奥，你来做饭前祷告吧？I don't believe he would tell Leo such a thing.我不信他会告诉利奥这种事。'So you're Leo's girlfriend?' he ventured...“那么你就是列奥的女朋友了？”他大胆问道。He stared at Leo with great blear...