Dimethazan
[化] 二甲沙生; 二甲胺乙茶碱
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
I wish I could.
我希望我行。
He has many strange ideas in his mind.
他脑子里尽足奇思怪想。