Alunitization
明矾石化
🗣️ 情景例句
I've been wrestling
我一直左思右想
My book has a dark blue cover.
我的书有一个深蓝色的封面。
The Wayle is a small river that cuts across the park near my home.
威尔河是横穿过我家附近公园的一条小河。