Methoxycaffeine
[化] 甲氧咖啡碱\\n[医] 甲氧基咖啡因
🗣️ 情景例句
I'm very sorry.
非常抱歉。
She was flattered at the invitation.
她受到邀请，不胜荣幸。
Oh, there's the conductor. Do you have your ticket?
啊，列车员来了。票在你那儿吗？