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Jyutping lou5 jan4 ci1 ngoi4
Pinyin lǎo rén chī dāi

Definitions (粵典–words.hk)
  1. 名詞
    腦​退化​嘅​俗​稱
    (colloquial) Alzheimer's disease
  2. 參看
    老人痴呆
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)