滴水板、水槽和塞孔一定要定期消毒。Make sure the draining board, sink and plug hole are regularly disinfected.我们生产的绝大部分奶酪都是用巴氏消毒过的牛奶制成的。The vast majority of our cheeses are made with pasteurised milk.他因使用消毒不当的注射针头而感染了艾滋病。He had become inf...
The heavy traffic tinctures the air with carbon monoxide.繁忙的交通使空气里充满一氧化碳.The limit for carbon monoxide is 4.5 per cent of the exhaust gas.尾气中一氧化碳的排放限量为4.5%。Both nicotine and carbon monoxide inhaled with cigarette smoking...
There is a vocabulary at the back of our English book.我们英语课本的后面附有词汇表.My English book is on the top shelf.我的英语书在最上边一层架子上.An English book is a blank to me.我对英语书一窍不通....