Dimethazan
[化] 二甲沙生; 二甲胺乙茶碱
🗣️ 情景例句
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
He has a pair of shoes.
他有一双鞋。
You'd better take a hat.
你最好戴上帽子。