Take back what you said about Jeremy!收回你说的关于杰里米的话。Shops are often reluctant to take back unsatisfactory goods.商店一般都不愿收回顾客不称心的货物.Even four horses cannot take back what one has said.一言既出,驷马难追....
它的红外光谱与樟脑硝亚胺红外光谱相似.Its IR spectrum compared with that of comphor nitrimine.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.合适的有机亚胺反应剂具有多种组成和结构.The suitable organic imine react...
这书橱装有50册书,但它能装下100册.The bookcase contains fifty volumes but holds a hundred.这书橱很不结实,装不了这么多书.This bookcase is too unstable to hold so many books.你分组件买这个书橱,再把它们卡榫对准组合在一起.You buy this bookcase in sections and slot them toge...