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...
He throttled her and hid her body.他掐死她后把她的尸体藏了起来。He throttled the guard with his bare hands.他徒手掐死了卫兵。The pilot got very low before he throttled back.飞行员减速之前下降得很低....
她一直勇敢地坚持着充实满足的生活。She has courageously continued to lead a fulfilled life.一篇详尽的描写就是一篇充实完整的描写.A comprehensive description is one that is full and complete.先搭好架子, 再充实内容.First make an outline, and then fill in the content....