Jiningite
褐铀钍矿, 集宁石
🗣️ 情景例句
Did she accept your reasons for being late?
她是否接受你迟到的理由？
Every dog is valiant at his own door.
站在家门口，狗也雄纠纠。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。