Demoid
a. 某地质层组特有的
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
This is the last time I'll ever ask you to do anything for me.
这是我最后一次要求你为我做事情。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。