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Jyutping gei1 co2 jin4 gau3
Pinyin jī chǔ yán jiù

Definitions (Wiktionary)
  1. noun
    basic research

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Jyutping gei1 co2 jin4 gau3
Pinyin jī chǔ yán jiū

Definitions (Wiktionary)
  1. noun
    basic research