diurnal
[dai'ə:nəl]
adj. 白天的；每日的，一日间的
n. [经]日记账；日报，日刊
反义词
参考例子
1.Along with hawks, falcons, kites and buzzards, they are diurnal raptors, which means they hunt by day.
与苍鹰、秃鹰、鸢和兀鹰相同，它们都是白天出动进行捕猎的食肉鸟类。
2.The effect of gasoline-alcohol on evaporative emission is also analyzed by diurnal respiration test on fuel tank.
通过对油箱进行昼间呼吸试验，研究了醇类汽油对蒸发排放量的影响；
3.Its diurnal change is consistent with that of the heating field's, especially with diurnal change of the solar heating.
环流日变化是被非绝热加热的日变化所驱动的，特别是被太阳辐射日变化所驱动。
英文解释
adj.
1.belonging to or active during the day
2.having a daily cycle or occurring every day
网络释义
diurnal
每日的; 昼间的; 昼行性的; 日的;
diurnal cycle
昼夜循环; 日循环; 释义：珠被绒毡层; 昼夜循环，日循环;
diurnal current
全日潮流; 周日潮流; 日潮流;
diurnal aberration
周日光行差;
diurnal behavior
昼夜变化状态;