Hammarite
重硫铋铜铅矿
🗣️ 情景例句
Yes, Richard.
说吧， Richard。
Not at all.
一点儿也不。
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。