Dimethylxanthine
[医] 二甲黄嘌呤, 可可豆硷
🗣️ 情景例句
Please accept my apology for not neeting you for lunch Tuesday.
我很抱歉，星期二没有与你一起共进午餐。
Nice guy!
好家伙！
Is there something wrong.
出了什么事吗。