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Jyutping sat1 naa2 ceon1
Pinyin shī nǎ chūn

Definitions (Wiktionary)
  1. noun, Cantonese
    egg of a louse; nit
    (syn.) 蝨子子兒, 風蝨, 蝨蟣, 蝨蛋, 蝨嫲卵, 蝨子蛋, 蝨子, 蟣子, 蟣子蛋, 蝨乸春, 蝨母卵, 蝨卵, 蝨嫲春, 蟣蝨子, 蟣, 蟣蚤, 蟣蛋兒, 蟣哦, 蝨蟣子
Definitions (Kaifangcidian)
  1. 蟣子 – 虮子

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Jyutping sat1 naa2 ceon1
Pinyin shī ná chūn

Definitions (CC-CANTO)
  1. louse eggs; nits