Boleite
[机] 铜铅矿
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
I don't seem to have any luck today.
我今天运气不好。
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。