Argentojarosite
[矿]银铁矾
🗣️ 情景例句
Help yourself, please.
请随便。
That depends.
那得看情况而定。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。