crepuscular
crepuscular[krɪˈpʌskjʊlə, krɛ-]adjective- of, resembling, or relating to twilight
(与)黄昏(有关)的;(与)黎明(有关)的
■(Zoology)(of an animal) appearing or active in twilight
(动)(动物)黄昏(或黎明)出现的;黄昏(或黎明)活动的
语源- mid 17th cent.: from Latin crepusculum 'twilight' + -ar
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