水质污染

shuǐ zhì wū rǎn

释义

1. water pollution

水质污染 的构成词

• 染 rǎn: to dye
• 水 shuǐ: water
• 污染 wū rǎn: to pollute; to contaminate (lit. and fig.)
• 水质 shuǐ zhì: water quality
• 污 wū: dirty
• 质 zhì: character