circadian 英 [sɜː'keɪdɪən] 　 美 [sɝ'kedɪən]

circadian

circadian　 英 [sɜː'keɪdɪən] 美 [sɝ'kedɪən]

adj. 生理节奏的（指与地球二十四小时运转联系的新陈代谢、内分泌作用及睡眠等节奏有关的）；以24小时为周期的　

名词复数:circadians　

"Our circadian rhythm wants us to sleep at night," she said.　我们的生理节律要求我们在晚上睡觉,"她说。
In humans melatonin levels rise at night, in response to darkness and cues from the circadian clock.　人类的褪黑激素水平在夜晚上升，以响应黑暗和昼夜节律钟发出的信号。

  • 请先登录
  • adj. 生理节奏的（指与地球二十四小时运转联系的新陈代谢、内分泌作用及睡眠等节奏有关的）；以24小时为周期的

  • 1. "Our circadian rhythm wants us to sleep at night," she said.

    我们的生理节律要求我们在晚上睡觉,"她说。

  • 2. In humans melatonin levels rise at night, in response to darkness and cues from the circadian clock.

    人类的褪黑激素水平在夜晚上升，以响应黑暗和昼夜节律钟发出的信号。

  • 3. circadian clocks in cells respond to differences in light between night and day and thereby allow organisms to anticipate changes in the environment by pacing their metabolism to this daily cycle.

    细胞中的生理节奏时钟对夜间和昼间的光会产生不同的反应，从而使生物体可以根据每天新陈代谢循环的步伐提前应对环境作出调整。

  • circadian (adj.) coined 1959 by German-born biologist Franz Halberg, from Latin circa "about" (alternative form of circum "round about;" see circum-) + diem, accusative singular of dies "day" (from PIE root *dyeu- "to shine"). The original use is in circadian rhythm.
cir·ca·dian / sɜːˈkeɪdiən ; NAmE sɜːrˈkeɪdiən / adjective [only before noun ] ( technical 术语 ) connected with the changes in the bodies of people or animals over each period of 24 hours （每 24 小时人或动物体内变化）昼夜节律的，生理节奏的 cir·ca·dian / sɜːˈkeɪdiən ; NAmE sɜːrˈkeɪdiən /
  • 请先登录
词频排名 adj:26028
感谢 分享 举报
为什么被折叠? 0 个回复被折叠
Copyright © 2024

沪公网安备 31011202010216号
教材配套词卡淘宝店(放学啦) fangxuela.taobao.com
单词宝典，绿色免安装（含各年级，视频讲解）下载：单词宝典（PC版）