Polytelite
银铅, 黝铜矿
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
Necessity knows no law.
铤而走险。
I don't like to be late. We begin classes at 8:00.
我不喜欢迟到。我们八点上课。