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单词 θ18425
释义
the world > life > biology > biological processes > movement > [noun] > retraction or involution (2)
retraction?a1425

Chiefly Zoology. The action of pulling back a retractile part or organ into the body; the fact of being retracted into the body; the ability to be…

involution1851

Anatomy. A rolling, curling, or turning inwards; concrete a part of a structure formed by this action.

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更新时间:2024/11/10 22:17:04