Halohydrocarbon
[化] 鹵代烴
??? 情景例句
I know that you do a very big international business,
我知道貴公司在國際貿易方面的生意做得很大，
You're sick!
你有病啊！
I'm poor, but I always enjoy myself! he said. I don't know why!
“我很窮，但我總是過得很愉快！”他說，“我不懂為什么！”