Octylene
[化] 辛烯\\n[医] 辛烯
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
Why are you walking so far?
你为什么走得这样快？
Did you serve this gentleman half an hour ago, Caroline? He says he's the man who bought these books.
卡罗琳，半小时前你接待过这位先生吗？他说他就是买这两本书的人。