swim的过去式

swim的过去式是：swam。swim的基本意思是游泳游过，指靠摆动身体在水中前进或漂浮。swim还可作漂浮、飘忽、滑行解，引申可表示旋转，摇晃，眩晕。

swim的过去式例句：

1、I was pitched into the water and swam ashore.

我被甩到水里后向岸边游去。

2、The goldfish swam round and round in their tiny bowls.

金鱼在小小的鱼缸里一圈圈地游来游去。