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单词 sclera
释义

WordReference Random House Unabridged Dictionary of American English © 2024
scle•ra  (sklērə),USA pronunciation n. [Anat.]
  1. Anatomy, Ophthalmologya dense, white, fibrous membrane that, with the cornea, forms the external covering of the eyeball. See diag. under eye. 
  • Greek sklērá (feminine) hard
  • Neo-Latin
  • 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
sclera /ˈsklɪərə/ n
  1. the firm white fibrous membrane that forms the outer covering of the eyeball
Etymology: 19th Century: from New Latin, from Greek sklēros hard
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