Coronadite
铅硬锰矿
🗣️ 情景例句
I don't know what you are driving at.
我不知道你到底想说什么。
He has the advantage of a new set of clubs and has played everyday.
他拥有新的球杆，所以有利，何况他每天都在练习。
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。