Chloropentabromoethane
[化] 氯五溴乙烷; 一氯五溴乙烷
🗣️ 情景例句
It was our pleasure.
不胜荣幸。
How's your aunt?
你的姑姑好吗？
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。