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Jyutping zi6 sing4
Pinyin zì chéng

Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping zi6 sing6
Pinyin zì chéng

Definitions (Wiktionary)
  1. verb, of a number
    to be multiplied by itself

自乘 [--]

Jyutping
Pinyin zì chéng

Definitions (CC-CEDICT)
  1. (math.) to multiply (a number) by itself; to raise (a number) to a power; (esp.) to square (a number)