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骨干骨幹 gǔ gàn — diaphysis (long segment of a bone)

gǔ (third tone, dipping) gàn (fourth tone, falling)gu3 gan4

Traditional: 骨幹

diaphysis (long segment of a bone)

HSK 6· HSK 1–6 (classic)Levels 7–9· 2021 three-band, nine-level proficiency standardnoun
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Meanings

  1. diaphysis (long segment of a bone)

    diaphysis (long segment of a bone); fig. backbone

    noun