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Jyutping jyu5 but3
Pinyin rǔ bō

Definitions (Wiktionary)
  1. noun
    mortar (tool used to crush ingredients)
    (syn.) 研缽, 擂缽, 擂钵, 研钵
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

乳缽 [-钵]

Jyutping
Pinyin rǔ bō

Definitions (CC-CEDICT)
  1. small mortar used for grinding medicines into a powder (TCM)