Sengierite
水钒铜铀矿
🗣️ 情景例句
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
It's a once in a lifetime chance.
这是一生难得的机会。
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。