Alunitization
明矾石化
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
Brevity is the soul of wit.
言以简洁为贵。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。