R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.The results show that zinc acetate - stearic acyloxy has thermal stability and synerg...
毛衣让蛀虫咬坏了.The sweater is moth - eaten.这所房子里的一些家具已被老鼠咬坏了.Some of the furniture in this old house has been gnawed away by rats.老鼠将一些木器咬坏了.The rats had gnawed some of the wood work away....