酸性雨

suānxìngyǔ
  1. (now rare) acid rain
  2. acid rain

Wiktionary

Entry Composition

1 酸性 suānxìng acidity
=2 雨 yǔ rain

classifiers: 陣, 場
=2 雨 yù
  1. (literary) to rain
  2. (of rain, snow etc) to fall
  3. to precipitate
  4. to wet