Sipeimine
[化] 西贝母碱
🗣️ 情景例句
It is.
是的。
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了，所以月底前你可以获得。
You need to practise a lot with the actors before.
上演前你得同演员一道进行大量的排练。