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Jyutping keoi1 wik6 jin4 gau3
Pinyin qū yù yán jiù

Definitions (Wiktionary)
  1. noun
    area studies

[---]

Jyutping keoi1 wik6 jin4 gau3
Pinyin qū yù yán jiū

Definitions (Wiktionary)
  1. noun
    area studies