[---]

Jyutping se5 wui2 jin4 gau3
Pinyin shè huì yán jiù

Definitions (Wiktionary)
  1. noun
    social studies

[---]

Jyutping se5 wui2 jin4 gau3
Pinyin shè huì yán jiū

Definitions (Wiktionary)
  1. noun
    social studies