Sport is being debased by commercial sponsorship.是什么意思？

Sport is being debased by commercial sponsorship.

体育运动因受商业赞助而降低了声誉。

sport

n. 运动，乐趣，老兄，变种；v. 嬉戏，得意地穿戴，故意显示；

例句
This is the most dangerous professional sport there is, and the worst paid.
这是最危险的职业体育运动，但报酬却是最低的。

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。

being

n. 存在，生物，人，要素，本质；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

debased

adj. 下贱的，品质恶劣的；v. 降低质量（地位、价格等）( debase的过去式和过去分词 )，降低（硬币的）价值，贬

例句
Politicians have debased the meaning of the word 'freedom'...
政客们贬低了“自由”一词的意义。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

commercial

adj. 商业的，贸易的，营利的，靠广告收入的；n. （电台或电视播放的）广告；

例句
More than 750 commercial airliners were involved in fatal accidents last year. Added to that were the 1,550 smaller aircraft.
去年750多家商业航空公司遭遇过人员死亡的事故。另外还有1,550架小型飞机也出过同样的事故。

sponsorship

n. 赞助，发起，倡议，保证人；

例句
...the sponsorship of sports and cultural events by tobacco companies.
烟草公司对体育赛事和文化活动的赞助