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Jyutping bui3 taap3 lap1 zi2
Pinyin bèi tǎ lì zi

Definitions (Wiktionary)
  1. noun
    beta particle
    (syn.) β粒子

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Jyutping bui3 taap3 lap1 zi2
Pinyin bèi tǎ lì zǐ

Definitions (Wiktionary)
  1. noun
    beta particle
    (syn.) β粒子