[---]

Jyutping ceoi2 doi6 faan2 jing3
Pinyin qǔ dài fǎn ying

Definitions (Wiktionary)
  1. noun
    substitution reaction

[---]

Jyutping ceoi2 doi6 faan2 jing3
Pinyin qǔ dài fǎn yìng

Definitions (Wiktionary)
  1. noun
    substitution reaction