He's a very good swimmer and often races.是什么意思？

He's a very good swimmer and often races.

他是个优秀游泳选手, 经常参加比赛。

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

good

adj. 好的，优秀的，有益的，漂亮的，健全的；n. 好处，利益，善良，善行，好人；adv. 同well；

例句
This recipe makes a good accompaniment to ice-cream.
这道食谱适合搭配冰激凌。

swimmer

n. 游泳者；

例句
These myriads of fish would be enough to keep any swimmer entranced for hours.
这些不同种类的鱼足以让任何一个游泳者数小时流连忘返。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

races

n. 赛马会，种( race的名词复数 )，（速度）比赛，（事件等的）进行，人种；

例句
'That was one of the best races of my life,' said an elated Hakkinen.
“那是我一生中表现最好的比赛之一，”哈基宁兴高采烈地说。