Bathygenesis
下降运动; 负相运动
🗣️ 情景例句
Where's the 'Lost and Found' counter?
失物招领处在哪儿？
A duck will not always dabble in the same gutter.
一只鸭子不会常在同一条沟中玩水。
I don't want to argue about it any more.
我不想为这件事再和你争吵。