TERM: Description of glossary term.
crepuscular
背景: 行为.
An adjective applied to animals that are active during periods of twilight, thus around sunrise and sunset.
参考文献
Barlow, George W. 2002. "The Cichlid Fishes (Nature's Grand Experiment in Evolution)". Perseus Publishing. 352. ISBN: 9780738203768 (crc03927) (摘要)