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Jyutping gei1 bun2 nap1 zi2
Pinyin jī běn lì zǐ

Definitions (粵典–words.hk)
  1. 名詞
    物理​學上構​成物質​最細​不可​分​開​嘅​嘢
    elementary particle

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Jyutping gei1 bun2 lap1 zi2
Pinyin jī běn lì zǐ

Definitions (CC-CEDICT)
  1. elementary particle (particle physics)
Definitions (Wiktionary)
  1. noun
    elementary particle