Leukonin
锑酸钠
🗣️ 情景例句
I don't know about that.
我表示怀疑。
This will do for the time being.
暂时这样就行了。
Sometimes we aren't able to get into every building because there are too many steps.
有时我们并不能进每栋楼房，是因为楼梯太多了。