Stephanite
脆银矿
🗣️ 情景例句
To help us make this transaction possible,
是的，为了促成这笔交易，
He lived in California until he was seventeen.
他生活在加利福尼亚直到他十七岁。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，