Nitroprusside
硝普盐
🗣️ 情景例句
I understand what you're saying.
我明白你说的意思。
Be my guest.
请便、别客气
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？