Petscheckite
铌钽铁铀矿
🗣️ 情景例句
Well, good night.
好吧， 晚安。
Women in mischief are wiser than men.
妇女在受危害时比男子机智。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。