Polygarskite
水合硅酸铝镁矿
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
Will the flight be delayed?
这班机会延误吗？
Custom has not commonly been regarded as a subject of any great moment.
风俗一般未被认为是什么重要的课题。