他说：“我从未故意将任何病人置于不必要的风险境地。”"I have never knowingly exposed any patient to needless risks," he said.为什么我们要为酒吧和宾馆不必要的暖气开支买单呢？Why do we pay to overheat pubs and hotels?对鲸的野蛮屠杀既不必要也不人道。The barbaric slaughter of whales is unne...
木炭和金刚石都是炭的同素异形物Charcoal and diamond are allotropes of carbon.炭的含量是百分之四.Its carbon content is 4 %.苯酚的催化氧化和炭的催化氧化可能遵循不同的反应历程.Phenol oxidation and catalyst - sorbent ignition may proceed bt different reaction mechanisms....
A bold use of colour characterizes the bedroom.这间卧室的特点是用色大胆。What characterizes the current world situation is the danger of war.现在世界形势的特点是存在着战争的危险.What characterizes almost all Hollywood pictures is their inner emptiness...
这就是史密斯和他的唱片公司发生小摩擦的原因。This was the subject of a bit of a set-to between Smith and his record company.轮胎似乎损坏严重, 肯定是与什么东西摩擦的.This tire seems badly worn; it must be rubbing on something.那台陈旧的发动机抖动着发出摩擦的声音.The old engine gro...