酸敗

酸败
suānbài
  1. (milk) to turn sour
  2. (meat, fish) to go off

CEDICT

to turn sour

Wiktionary

含有醣類或醇類等有機物質受氧氣、溫度、熱、日光、細菌、酵素等作用，而呈酸味的現象，稱為「酸敗」。如牛乳中的乳糖受乳酸發酵菌的作用而變為乳酸。

重編國語辭典

Entry Composition

1 酸 suān
  1. sour
  2. tart
  3. sick at heart
  4. grieved
  5. sore
  6. aching
  7. pedantic
  8. impractical
  9. to make sarcastic remarks about sb
  10. an acid
2 敗 bài
  1. to defeat
  2. to damage
  3. to lose (to an opponent)
  4. to fail
  5. to wither

Related entries

出走 chūzǒu
  1. to leave home
  2. to go off
  3. to run away
響起 xiǎngqǐ
  1. (of a sound) to come forth
  2. (of a sound source) to ring out
  3. to sound
  4. to go off
電話響起時，他跑去接起。

When the phone rang, he ran to answer it.

Source: Tatoeba