是swin这单词：

swim [swɪm] 美 [swɪm] vt.& vi.游泳 vt.浸； 泡； 洒满； 充溢着

例句：

1. It's too wide. We can't swim across.

这太宽了，我们游不过去。

2. Don't go out of your depth; you can't swim.

不要到水深没顶的地方去，你不会游泳。

3. She has a phobia about water and can't swim.

她怕水，所以不会游泳。

4. One afternoon, she went for a swim in the ocean.

一天下午她到海里去游泳。

5. He must sink or swim by his own efforts now.