Pavonite
块硫铋银矿
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。