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单词
sleep-wake cycle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sleep
′
-wake
′
cy′cle
(slēp
′
wāk
′
),
USA pronunciation
Physiology
the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
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pluckiness
pluck up
plucky
plug
plug and feathers
plug and play
plugboard
plug casting
plug-compatible
pluggable
plugged
plugged-in
plugger
plugging
pluggingly
plug hat
plughole
plug in
plug-in
plugless
pluglike
plugola
plug-ugly
plugugly
plum
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更新时间:2026/9/24 3:05:25