Osmolity
渗透度
🗣️ 情景例句
My girlfriend is a cheerleader.
我女朋友是啦啦队队长。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Did you lose it?
丢了吗？