Toddite
铌钽铁铀矿
🗣️ 情景例句
In addition, it's great exercise too, since we do a lot of hiking.
还有，那也是个好的运动，因为我们要长距离徒步旅行。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
Who's this?
这是谁？