Retan
[化] 复鞣
🗣️ 情景例句
Well, it won't be easy.
嗯， 不很容易。
Discontent is the first step in progress.
不知足是前进中的第一步。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”