基本上有两种，用外行话说就是青石棉和白石棉。There are basically two types called, in layman's terms, blue and white asbestos.三种最主要的品种是温石棉, 青石棉和铁石棉.The three most important varieties are chrysotile, crocidolite and amosite.强度按青石棉,温石棉, 铁石棉...
'Yes, Mum,' replied Cheryl as she slowly put away her doll...“是的，妈妈。”谢里尔一边慢慢地收起布娃娃一边回答。We do not wish her to grow up dumb like the average doll.我们不希望她变得像木偶一样头脑简单。Sir Richard Doll, the epidemiologist who discove...
In hospitals, business plans vie with patients for doctors' attention.在医院，经营方针和病人都是医生所要关心的。She stood up obediently and went back to her room with a happy Vie.她听了我这话,就站了起来,很喜欢的回到她的房里去睡了.You have your point of vie, an...
It was a hellish thing to do.做那种事真讨厌极了.The atmosphere in Washington is hellish...华盛顿的气氛令人憎恶。The atmosphere in Washington is hellish.华盛顿的气氛令人憎恶。I'm sure you will remember from the hellish years of your boyhood.我相信你一定...