Mossite
重铌钽矿
🗣️ 情景例句
I keep thinking about that bag of film. Eight rolls.
我一直在想着旅行袋的事。一共有八卷呢。
Please show me a cheaper one.
请给我看一件比较便宜的衣服。
Have you had any breakfast yet?
你吃过早餐了吗？