Swimming is a healthy pleasure.是什么意思？

Swimming is a healthy pleasure.

游泳是一种有益于健康的娱乐活动。

swimming

n. 游泳，眩晕；v. 游泳( swim的现在分词)，漂浮，浸，泡，旋转；

例句
If the pool was open, we'd in all probability still be swimming in it...
如果游泳池还开着，我们完全可能还在里面游泳。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

healthy

adj. 健康的，健全的，大量的，有益于健康的；

例句
Her mother was a dedicated apostle of healthy eating.
她母亲是健康饮食矢志不渝的倡导者。

pleasure

n. 愉快，娱乐，令人高兴的事；vt. 使高兴，使满意；vi. 觉得高兴，享受，寻欢作乐；

例句
I find no pleasure in seeing people make asses of themselves.
我看见人们出洋相并不幸灾乐祸。