ptosis
/ˈptəʊsɪs/noun
mass noun
- Medicine drooping of the upper eyelid due to paralysis or disease, or as a congenital condition【医】上睑下垂。
派生词
ptotic
/ˈptəʊtɪk/ adjective词源
mid 18th cent.: from Greek ptōsis,from piptein 'to fall'.
| 单词 | ptosis |
| 释义 | ptosis/ˈptəʊsɪs/noun mass noun
派生词 ptotic/ˈptəʊtɪk/ adjective词源 mid 18th cent.: from Greek ptōsis,from piptein 'to fall'. |
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