首相已听取了她议会助手的简要汇报。The Prime Minister has been briefed by her parliamentary aides.物质和意识形态上的障碍在东欧已不复存在。Physical and ideological barriers had come down in Eastern Europe.我知道你研究黑猩猩至今已有30年了。I know that you'vebeen studying...
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...