There are ducks swimming in the pool.

这些鸭子正在池子里游泳。

youdao

There are many ducks swimming in the lake.

湖里有许多鸭子在游泳。

youdao

Can you see the happy ducks swimming in the sea?

你能看到开心地在海里游泳的鸭子们吗？

youdao

In particular as panic attacks, when he seized-- His first panic attack originated when he walked to a swimming pool and he saw a family of ducks flied away, and he got his panic attack.

尤其是在恐慌症发作的时候-,他的首次恐慌症来自于这样一件事,他来到泳池边,看到鸭群飞离游泳池，他就这样患上了恐慌症。

耶鲁公开课 - 心理学导论课程节选