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Jyutping dak1 gwok3 gwat1 fo1
Pinyin dé guó gǔ kē

Definitions (Wiktionary)
  1. noun, Internet, Mainland-China
    incest between an elder brother and a younger sister
    (syn.) 骨科, 德骨
    • 德國骨科行不行?優生學解釋血親相姦罪的誤區
      德国骨科行不行?优生学解释血亲相奸罪的误区
      dé guó gǔ kē xíng bù xíng ? yōu shēng xué jiě shì xuè qīn xiàng jiān zuì de wù qū
      Is incest okay or not? Eugenics Explains the misconception of the Crime of Bloodline Intercourse.
Examples (Wiktionary)
  1. Mandarin
    德国骨科行不行?优生学解释血亲相奸罪的误区
    德國骨科行不行?優生學解釋血親相姦罪的誤區
    dé guó gǔ kē xíng bù xíng ? yōu shēng xué jiě shì xuè qīn xiàng jiān zuì de wù qū
    • Is incest okay or not? Eugenics Explains the misconception of the Crime of Bloodline Intercourse.