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Jyutping jung4 mou4
Pinyin róng máo

Definitions (Wiktionary)
  1. noun
    fine fur
  2. noun
    villus

[-]

Jyutping jung2 mou4
Pinyin róng máo

Definitions (CC-CEDICT)
  1. fur
  2. down (soft fur)
  3. villi capillary (in the small intestine)
Definitions (粵典–words.hk)
  1. 名詞
    柔軟纖​細​嘅​毛
    soft fur