Pickeringite
镁明矾
🗣️ 情景例句
I have always envied your good luck.
我一直羡慕你的运气好。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
I read about you in the newspaper and decided to come and hear you play.
我在报纸上看到了你的情况，于是决定来听你演奏。