Benjaminite
铜银铅铋矿
🗣️ 情景例句
It's my pleasure.
我很愿意效劳。
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
Anthropology was by definition impossible,
那么人类学按其定义来说就无法存在。