Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
A 20% discount will be given when you shop at Makro.
你在万客隆买东西会有20%的折扣。
I'm going to lend her two cans.
我要借给她两罐。
an illness which at twelve would knock us over,
使我们在12岁时病倒的疾病，