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单词 ptosis
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pto•sis  (tō′sis),USA pronunciation n. [Pathol.]
  1. Pathologya drooping of the upper eyelid.
  2. Pathologyprolapse or drooping of any organ.
  • Greek ptó̄sis a falling
  • Neo-Latin
  • 1735–45;
pto•tic  (tō′tik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
ptosis /ˈtəʊsɪs/ n ( pl ptoses /ˈtəʊsiːz/)
  1. prolapse or drooping of a part, esp the eyelid
Etymology: 18th Century: from Greek: a falling

ptotic /ˈtɒtɪk/ adj
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更新时间：2025/7/31 12:45:59