单词 | ruga |
释义 | ruga/ˈruːɡə/Anatomy, Zoology, and Botany noun A fold, a ridge, a wrinkle. Usually in plural. OriginLate 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. From classical Latin rūga crease, small fold, wrinkle, of uncertain origin, perhaps related to Lithuanian raukas wrinkle. |
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