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词汇 crepuscular
释义 crepuscular
adjective
uk /krɪˈpʌs.kjə.lər/ us /krɪˈpʌs.kjə.lɚ/
literary
relating to or like the time of day just before the sun goes down, when the light is not bright拂晓的;黄昏的;昏暗的
biology specialized
(of animals) active or appearing at the time of day just before the sun goes down, or just after the sun rises, when the light is not bright: (动物)晨昏活动型的
Deer are crepuscular, meaning that they are most active at dawn and at dusk.鹿是晨昏活动型动物,即它们在凌晨或黄昏最活跃。
SMART Vocabulary: related words and phrases

Days & times of day
afternoon
afternoons
all day
am
arvo
happy hour
high noon
hour
in broad daylightidiom
in the dead of night/winteridiom
night
noon
noontime
o'clock
office hours
opening time
the witching hour
wine o'clock
workday
working day

You can also find related words, phrases, and synonyms in the topics:


Darkness & becoming dark
Examples from literature

After days of this crepuscular existence he emerged to find the cathedral less disfigured than he had feared. 
His face, as far as I could see in the green-grey crepuscular atmosphere of the apartment, was expressionless. 
Outside the large single window the crepuscular light was dying out slowly in a great square gleam without colour, framed rigidly in the gathering shades of the room. 
There is indeed something infinitely charming in the crepuscular moments of the human mind. 
There is little need to dwell upon these crepuscular stirrings of popular Latin poetry in the earlier Middle Ages. 

Examples of crepuscular


crepuscular
The adoption of flowering plants to nocturnal and crepuscular pollinators.
Small diurnal coprophagous species were opposed to large crepuscular necrophagous species.
Axis 1 separated small diurnal coprophagous species (32.8% contribution) from large crepuscular necrophagous species (47.5%).
Many species considered as nocturnal i n t he literature are i n f act crepuscular species which remain unnoticed because of inadequate sampling.
Cat senses fit a crepuscular and predatory ecological niche.
From
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The display is usually crepuscular, or given throughout moonlit nights.
From
Wikipedia

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The animal is crepuscular, being most active in the early morning and late evening.
From
Wikipedia

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Special classes of crepuscular behaviour include matutinal (or matinal) and vespertine, denoting species active only in the dawn or only in the dusk, respectively.
From
Wikipedia

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Unlike many grasshoppers, it is essentially active in day and night, as testified by its endless crepuscular and nocturnal singing.
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The marsh mongoose is solitary, spending most active time at night, and crepuscular, though activity has been observed during the day.
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They are primarily nocturnal and likely crepuscular (active during dawn and dusk) which partially contributes to how rarely they are encountered.
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They are largely crepuscular, being most active around dawn and dusk, although they are not infrequently seen active during the day.
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They catch flying insects on the wing, mainly foraging near dawn and dusk ("crepuscular") or sometimes at night with a full moon.
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Because of this observation, it is believed that the adults are crepuscular.
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Stratocumulus clouds are the main type of cloud that can produce crepuscular rays.
From
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See all examples of crepuscular
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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