Cathinine
[化] 阿茶碱; 阿拉伯茶碱
🗣️ 情景例句
Sure. Can you give me fifty dollars in small bills, please, and ten dollars in change?
好的。你可以帮我把50块钱换成小钞，10块换成零钱吗？
To run for freedom
为求自由而逃跑
After a few minutes she started to cry again. Listen to me, I said.
几分钟后她又哭了起来。“听我的呀，”我说。