Siman
[医]去氧安定（弱安定药）
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
Not at all. Go ahead.
好，请吧。
He himself has done it lots of times!
他自己就已戒了很多次了！