大量碳氢化合物如苯并芘也是诱变剂.A large number of hydrocarbons such as benzopyrene are also mutagenic.建立了粮食中苯并芘残留的高效液相色谱测定法.This thesis developed a HPLC method for determination of benzo a pyrene in grain.建立了肉类食品中苯并芘残留的高效液相色谱测定法.This t...
Look! the child is peeping at us through the window.瞧! 那孩子在窗子里偷看我们呢.The moon was peeping out from behind the clouds.月亮正慢慢从云层后面出现.Tom was peeping through a shutter at Lady Godiva.汤姆正透过百叶窗偷看戈迪娃小姐.We caught her peeping thro...
The Observer carries a big front-page picture of rioters in a litter-strewn street.《观察家报》在头版刊登了一张暴乱者聚集在满是垃圾的街头的大幅照片。They saw a big flash and a huge ball of fire reaching hundreds of feet into the sky...他们看见一道强光和一个巨大的火球冲向...
Skiers should be particularly choosy about the insurance policy they buy.滑雪者在选择购买保险的问题上应该尤其慎重。When entering a trail or starting a descent, yield to other skiers.进入滑雪道或开始下滑时，要给其他滑雪者让路。Campbell is one of an ever-growing nu...