Bilibilite
黑硅镧铀矿
🗣️ 情景例句
Nowadays many young people cohabit together without legal permission.
如今很多年轻人未获得法定允许就一起同居了。
How do I look?
我看上去怎样？
You must always return your library book on time!
你必须按时归还图书馆的书！