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).
实用例句
1. the diurnal rotation of the earth
地球的周日自转来自《权威词典》
2. " Rolled round in earth's diurnal course, With rocks , and stones, and trees. "
每天与岩石和树木一起, 随地球循环旋转.来自英汉 - 翻译样例 - 文学
3. Kangaroos are diurnal animals.
袋鼠是日间活动的动物。来自辞典例句
4. The diurnal springs correspond to the semidiurnal neaps and vice versa.
全日潮大潮对应于半日潮小潮,反之亦然.来自辞典例句
5. Over water the diurnal change in refraction is likely to be small.
