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Jyutping zung1 kut3 hou6
Pinyin zhōng guā hào

Definitions (Wiktionary)
  1. noun
    square brackets
    (syn.) 方括号, 方括號

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Jyutping zung1 kut3 hou2
Pinyin zhōng kuò hào

Definitions (粵典–words.hk)
  1. 名詞
    符號​「​[​」​同埋​「​ ​]​」
    square brackets
  2. 近義詞
    中括弧

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Jyutping zung1 kut3 hou6
Pinyin zhōng kuò hào

Definitions (CC-CEDICT)
  1. square brackets [ ] (math.)
Definitions (粵典–words.hk)
  1. 名詞
    符號​「​[​」​同埋​「​ ​]​」
    square brackets
  2. 近義詞
    中括弧