water quality worsening的用法和樣例：
例句
- A large bloom of blue-green algae in Taihu Lake caused water quality to deteriorate severely.
太湖藍藻大面積爆發(fā)，造成飲用水源地水質(zhì)惡化。 - But scientists are racing to save the foot-long salamander from extinction, a victim of the draining of its lake habitat and deteriorating water quality.
但是，這些一尺長(cháng)的蠑螈遭受了湖區居住者排污水和水質(zhì)惡化的影響，科學(xué)家們正在極力挽救，使之逃脫滅絕的噩夢(mèng)。
