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单词 insomnia
释义
in·som·ni·a (ĭn-sŏmnē-ə)
n.
Chronic inability to fall asleep or remain asleep for an adequate length of time.

[Latin īnsomnia, from īnsomnis, sleepless : in-, not; see IN-1 + somnus, sleep; see swep- in the Appendix of Indo-European roots.]
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更新时间:2024/9/21 15:53:23