Now a rash of scruffy little shops bordered one side of the street.现在街道的一边排满了各种破旧的小店。...a scruffy basement flat in London.伦敦一个脏乱的地下公寓He now regards these scruffy photographs as his shield and buckler.他现在把这些一文不值的照片当成他的护身符...
目的合成邻苯二甲酸二环己酯半抗原衍生物和合格的人工全抗原,探讨其制备方法.Objective To study the preparation and characterization of hapten and artificial antigen of dicyclohexyl phthalate....