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Jyutping kap1 zeoi2
Pinyin xī zuǐ

Definitions (粵典–words.hk)
  1. 名詞
    門底​橫木​;​門檻
    (of a door) threshold; still
    • 廁所吸咀可以隔水。
      厕所吸咀可以隔水。
      ci3 so2 kap1 zeoi2 ho2 ji5 gaak3 seoi2.
      Threshold of the bathroom door stops water leak.
  2. 參看
    吸咀