越南战场上用于毁灭林区的“橙剂”,其成分是二氧杂芑。Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.所形成的水解反应物是二盐酸甲撑二氧胺.The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而...
Many people believe reckless drivers are treated too leniently.很多人认为对鲁莽驾驶的司机处罚过轻。The rap against Conn was that he was far too reckless.科恩被人们认为做事太不计后果。Contrary to the popular myth, women are not reckless spendthrifts.和人们的...
He took me into his library, a littery but considerable collection.他带我到他的藏书室, 里面的藏书虽然杂乱无章,数量却相当可观.He took me into his littery bedroom.他带我进出他那间零乱的卧室....
They interceded with the authorities on behalf of the detainees.他们为被拘留者向当局求情。He gave witness on behalf of an accused person.他为被告作证.She gave witness on behalf of the accused person.她替被告作证....
We'll give her some VIP treatment and roll out the red carpet.我们将给予她贵宾级礼遇,并且为她铺设红地毯。Roll out the pastry and cut into narrow strips.把油酥面团擀薄然后切成长条。Divide the pastry in half and roll out each piece.把油酥面团一分为二,再分别擀成皮。...