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...
Thank God they're not on my manor any more.谢天谢地，他们再也不在我的辖区里了。They brought up their children to be God-fearing Christians.他们将孩子培养成了虔诚的基督教徒。The President described the disaster as an act of God.总统将这场灾难说成是天灾。...
There was surely in it a quality that was personal and heartfelt.其中确实有一种出自心底的个人因素.We would like to take this opportunity to convey our heartfelt condolences to the families of the victims.我们谨此向受害人家属表达我们衷心的慰唁.And you'...