Dimethylxanthine
[医] 二甲黄嘌呤, 可可豆硷
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
What's your plan for the summer holiday?
暑假计划干什么？
Well, every time you get back at night, you drop your shoes on the floor.
唔，每一次晚上回来时，你都把鞋子丢在地板上。