Spitzkasten
锥形选粒器
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
Bye!
再见啦！
I didn't know she could swim. Who taught her?
我不知道她会游泳。谁教她的？