Porofor bsh
[化] 苯磺酰肼
🗣️ 情景例句
Good-bye, Dean Rafer.
再见， Rafer主任。
We can live without our friends, but not without our neighbours.
生活可无友，邻居不能无。
Yes. You should never keep fish in a small round bowl.
错不了。你绝不能把鱼养在一个小圆缸里。