Palaeocurrent
古流; 古水流
🗣️ 情景例句
We had a great time, Mom.
我们玩得非常开心，妈妈。
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
Fortunately, nothing was found and five hours later we were able to take off again.
幸运的是，什么也没有找到。5个小时后，我们又起飞了。