Coloid equilibrium
[医] 胶体平衡
🧩 词语组成解析
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
The morning to the mountain the evening to the fountain.
凡是都有一定时间。
He has quite a few friends.
他有不少的朋友。