Hauerite
方硫锰矿
🗣️ 情景例句
Well, come on, Dad.
好， 来吧， 爸爸。
And our successful techniques, and to speak about our failures.
和成功技巧，并讲出我们的失败之处。
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。