swim的现在分词 swimming；过去式 swam；过去分词 swum；
swimv.游水；游泳；游泳(作为娱乐)；游
We swam in the lake.
我们在湖里游泳。
His head swam and he swayed dizzily.
他感觉天旋地转，摇晃起来。
I turned and swam a few strokes further out to sea
我转身向海里又游了几下。
水利万物而不争,
而万物莫能与之争。
