Mendelyeevite
(=mendeleevite)钙铌钛铀矿
🗣️ 情景例句
Who is it?
是谁?
Take my jacket if you are cold.
如果你觉得冷，穿上我的夹克吧。
I'm sorry, sir.I can't change a ten-pound note.
对不起，我找不开10英镑的钞票。