Polygarskite
水合硅酸铝镁矿
🗣️ 情景例句
What's it for?
是做什么用的？
He who cannot hold his peace will never live at ease.
嘴巴不紧，生活不宁。
I promise. Let me go home now. I am not well.
我答应。现在让我回家吧。我不舒服。