Thoreaulite
钽钖矿; 钽钖矿
🗣️ 情景例句
you have so much energy and so many years of experience.
你精力这么好 ，又有这么多年的经验。
Did you get any sleep on the plane?
你在飞机上睡觉了吗？
On July 19th, 1909, in the early morning,
1909年7月19日凌晨，