Collargol
[化] 胶态银\\n[医] 胶体银, 克勒德氏溶性银
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
I've got a terrible pain in my back.
我的背很痛。
I don't know. I can't see!
我不知道，我看不见。