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Jyutping zeng2 goi3
Pinyin jǐng gài

Definitions (Wiktionary)
  1. noun, countable
    manhole cover (Classifier: 個/个 m)

井蓋 [-盖]

Jyutping
Pinyin jǐng gài

Definitions (CC-CEDICT)
  1. manhole cover (more formally, 窨井蓋|窨井盖[yin4 jing3 gai4])
Examples (粵典–words.hk)
  1. Cantonese
    个沙井盖㨴起咗呀!
    個沙井蓋㨴起咗呀!
    go3 saa1 zeng2 goi3 kin2 hei2 zo2 aa3!
    • The manhole of the sewer is lifted.