Question

diurnal a.白昼的，白天的 diurnal (adj.) late 14c., from Late Latin diurnalis "daily," from Latin dies "day" + -urnus, an adjectival suffix denoting time (compare hibernus "wintery"). Dies "day" is from PIE root *dyeu- "to shine" (cognates: Sanskrit diva "by day," Welsh diw, Breton deiz "day;" Armenian tiw; Lithuanian diena; Old Church Slavonic dini, Polish dzień, Russian den), literally "to shine" (compare Greek delos "clear;" Latin deus, Sanskrit deva "god," literally "shining one;" Avestan dava- "spirit, demon;" Lithuanian devas, Old Norse tivar "gods;" Old English Tig, genitive Tiwes, see Tuesday). 【记】近于journal 日志；u=a diary；di 二 + urn 瓮, 坛，壶→两壶(茶，咖啡，水）是每天必不可少的；di二 + urinate 小便，两次小便，这是白天【相关】nocturnal 夜的，no + urinate 不小便，晚上是不小便的。

Accepted Answer

[dai'ə:nl] 【英】 adj. 白昼的，白天的(of daytime)【考】 反义词：chiefly active at night(主要在夜间活 动的); occurring at night(夜间发生的); nocturnal(夜间的)【记】 di(白天)+urnal(…的 )→白天的;【同】 参考：nocturnal(夜 间的)同根词: diary(日记), dial(日晷) adj. 昼行性的; 每天的【根】di白天; 反: nocturnal(adj 夜的; 夜曲的)【源】Diana n 戴安娜: 罗马神话中处女守护神, 因为她从不晚上出门; 然后变成本词－白天的【记】读: Diana(戴安娜)－虽然死的比较惨, 但不能否认她是个行为正统的女人, 因为她白天活动, 而且她的脸也比较白－白天的【参】diary(n 日记); dial(日晷: 测定时刻的装置)【反】chiefly active at night(主要在夜间活动的); occurring at night(夜间发生的); nocturnal(adj 夜的; 夜曲的)

单词	diurnal
音标	[dai'ə:nl]
解释	a.白昼的，白天的
红宝书	【英】 adj. 白昼的，白天的(of daytime) 【考】反义词：chiefly active at night(主要在夜间活动的); occurring at night(夜间发生的); nocturnal(夜间的) 【记】 di(白天)+urnal(…的 )→白天的; 【同】参考：nocturnal(夜间的)同根词: diary(日记), dial(日晷)
字源	diurnal (adj.) late 14c., from Late Latin diurnalis "daily," from Latin dies "day" + -urnus, an adjectival suffix denoting time (compare hibernus "wintery"). Dies "day" is from PIE root *dyeu- "to shine" (cognates: Sanskrit diva "by day," Welsh diw, Breton deiz "day;" Armenian tiw; Lithuanian diena; Old Church Slavonic dini, Polish dzień, Russian den), literally "to shine" (compare Greek delos "clear;" Latin deus, Sanskrit deva "god," literally "shining one;" Avestan dava- "spirit, demon;" Lithuanian devas, Old Norse tivar "gods;" Old English Tig, genitive Tiwes, see Tuesday).
不择手段背单词	adj. 昼行性的; 每天的【根】di白天; 反: nocturnal(adj 夜的; 夜曲的) 【源】Diana n 戴安娜: 罗马神话中处女守护神, 因为她从不晚上出门; 然后变成本词－白天的【记】读: Diana(戴安娜)－虽然死的比较惨, 但不能否认她是个行为正统的女人, 因为她白天活动, 而且她的脸也比较白－白天的【参】diary(n 日记); dial(日晷: 测定时刻的装置) 【反】chiefly active at night(主要在夜间活动的); occurring at night(夜间发生的); nocturnal(adj 夜的; 夜曲的)
趣味全助记	【记】近于journal 日志；u=a diary；di 二 + urn 瓮, 坛，壶→两壶(茶，咖啡，水）是每天必不可少的；di二 + urinate 小便，两次小便，这是白天【相关】nocturnal 夜的，no + urinate 不小便，晚上是不小便的。

Latin Diurnal Adj Active Occurring Night(夜间发生的 Late Dies