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Jyutping on1 coi3
Pinyin ān sài

Definitions (Wiktionary)
  1. name
    Ansai (a district of Yan'an, Shaanxi, China)

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Jyutping on1 coi3
Pinyin ān sāi

Definitions (CC-CEDICT)
  1. Ansai county in Yan'an 延安[Yan2 an1], Shaanxi