首页
汉语词典
英英词典
请输入您要查询的英文单词:
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.
随便看
value-added
value-added tax
valued
value date
valued policy
value judgment
valueless
valuelessness
valuer
valuer general
valuta
valval
valvar
valvate
valve
valved
valve gear
valve-in-head engine
valveless
valvelet
valve lifter
valvelike
valve stem
valve trombone
valving
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 mdict.net All Rights Reserved
更新时间:2026/9/9 5:52:43