Many PAHs are carcinogenic or are suspected to be carcinogenic.其主要来源于煤的不完全燃烧,也有相当部分来源于汽车尾气的排放.The both carcinogenic factors were investigated on its dose - response ralationships.研究上述两种致癌因子的剂量 - 效应相关模式.Some industrial ch...
The Corinthian painter's primary ornamental device was the animal frieze.科林斯画家最初的装饰图案是动物形象的装饰带.Get your fine Corinthian footwear and your cat cheeks out of my face!把你的科林斯靴子和你的猫脸从我的脸移开!Q 1 : What day of the week did ...
The Court of Appeal upheld the appellants' convictions.上诉法院维持了对上诉人的原判。The criticisms are founded on facts as well as on convictions.这些批评是基于事实和信念。The convictions rest solely on disputed witness and confessional state...
They saw a squadron of fifteen motorcycle policemen driving in V-formation.他们看见15名警察骑着摩托车排成V字形前行。He was flying in formation with seven other jets.他和其他7架喷气机一起列队飞行。The aircraft are flying in formation.飞机编队飞行....