v. 游泳（swim 的过去分词）
1.Who else has swum today?
还有谁今天去游泳了？
2.Have you ever swum in a river or a lake?
你在江河或湖中游过泳吗？
3.Have you swum in the Black Sea?
你们在黑海中游泳了吗？
4.Have you ever swum in the ocean?
你有在海里游泳过吗？
5.Swan swam over the sea, swim, swan swim! Swan swam back again well swum, swan!
天鹅游到海的另一边。游吧！天鹅游吧！天鹅游回来了！游得真好啊！天鹅！
6.The English Channel has often been swum.
时常有人游过英吉利海峡。
7.Once you have swum in the nude you don't want to swim clothed again.
一旦你尝试过裸泳，你就不会再想穿游泳衣了。
8.The ocean water was the clearest and warmest they had ever swum in.
那儿的海水是他们所游过的最清澈、最暖和的海水；