swim,游泳，-ing,动名词后缀。

1. Swimming is probably the best form of exercise you can get.

游泳或许是现有的最佳锻炼方式。

2. There was swimming and sailing down on the lake.

有人在湖上游泳和扬帆。

3. He remembered mowing the lawn, lounging around the swimming pool.

他还记得修剪草坪、在泳池边闲荡的情景。

4. Dangerous undertows make swimming unsafe along most of the coastline.

由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。

5. At breakfast next morning my two grandsons were clamouring to go swimming.

第二天早饭时，我那两个孙子嚷嚷着要去游泳。