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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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squishy
squit
squiz
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squshiest
squshy
squush
squushier
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sq. yd.
sr.
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sranan
sranan tongo
srb
srbija
srbm
s. rept.
s. res.
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sri lanka
sri lankan
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更新时间:2026/9/28 15:53:16