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Jyutping jik6 faan2 jing3
Pinyin nì fǎn yìng

Definitions (CC-CEDICT)
  1. reverse reaction
  2. counterreaction
  3. inverse response
Definitions (Wiktionary)
  1. noun
    reverse reaction
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)