Dimethazan
[化] 二甲沙生; 二甲胺乙茶碱
🗣️ 情景例句
As a matter of fact,
事实上，
No,he doesn't have one.
不，他没有。
I never heard of anyone making a'skeleton', as we were taught at school.
我从未听说过任何一位作家像我们在学校学的那样，动笔前先列什么提纲。