ptosis

名词 n.
中文释义
英 /ˈtəʊ.sɪs/    美 /ˈtoʊ.sɪs/

英文释义

名词 n.
  1. The prolapse of a bodily organ, especially drooping of the eyelid or the breasts. countable,uncountable
    — There were many other factors to be taken into account: Miss West’s age, the type of enlargement, whether the condition was one of pure hypertrophy, the degree of ptosis present, the actual scale of enlargement and, finally, the presence of any pathology in the breast tissue itself.

词形变化

ptoses plural

词源

From Ancient Greek πτῶσις (ptôsis, “falling, fall”), from πίπτω (píptō, “to fall down”) + -σις (-sis, nominal suffix). First used in 1710.
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