water quality worsening

• 水质恶化

water quality worsening的用法和样例：

例句

1. A large bloom of blue-green algae in Taihu Lake caused water quality to deteriorate severely.
   太湖蓝藻大面积爆发，造成饮用水源地水质恶化。
2. 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，这些一尺长的蝾螈遭受了湖区居住者排污水和水质恶化的影响，科学家们正在极力挽救，使之逃脱灭绝的噩梦。