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Jyutping sing1 zi2
Pinyin xīng zi

Definitions (Wiktionary)
  1. noun
    tiny particle
  2. noun, dialectal
    star

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Jyutping sing1 zi2
Pinyin xīng zǐ

Definitions (CC-CEDICT)
  1. Xingzi county in Jiujiang 九江, Jiangxi
Definitions (Wiktionary)
  1. name
    Xingzi (a town in Lushan, Jiujiang, Jiangxi, China)
  2. name
    (historical) Xingzi (a county of Jiujiang, Jiangxi, China; modern Lushan)
  3. name
    Xingzi (a town in Lianzhou, Qingyuan, Guangdong, China)