Retan
[化] 复鞣
🗣️ 情景例句
We've got permission to go inside the old building
我们已获 进入那栋老建筑物
Repetition is the mother of knowledge.
反覆学习是知识之源。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。