melatonin 英 [,melə'təʊnɪn]   美 [,mɛlə'tonɪn]

melatonin

melatonin  英 [,melə'təʊnɪn] 美 [,mɛlə'tonɪn]

n. 褪黑激素;N-乙酰-5-甲氧基色胺 

名词复数:melatonins 

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。
To explain how light exposure at night might affect the moods of both hamsters and people, the researchers turn to a hormone called melatonin. 为了解释夜间曝光是如何影响仓鼠和人类心情的,研究人员转向了一种叫褪黑激素的荷尔蒙。

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  • n. 褪黑激素;N-乙酰-5-甲氧基色胺
  • 1. 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。

  • 2. To explain how light exposure at night might affect the moods of both hamsters and people, the researchers turn to a hormone called melatonin.

    为了解释夜间曝光是如何影响仓鼠和人类心情的,研究人员转向了一种叫褪黑激素的荷尔蒙。

  • 3. In their study, they found that cherries, particularly tart cherries, naturally boosted the body’s supply of melatonin, which helped people with insomnia.

    在研究中,他们发现,樱桃尤其是酸樱桃,可以天然促进人体褪黑激素生成,这就可以帮助那些患失眠症的人。

  • melatonin (n.) 1958, from Greek melas "black, dark" (see melanin) + ending from serotonin. So called because its secretion is inhibited by sunlight.
mela·to·nin / ˌmeləˈtəʊnɪn ; NAmE ˌmeləˈtoʊnɪn / noun [uncountable ] ( biology ) a hormonethat affects skin colour and is thought to regulatethe reproductivecycle 褪黑激素 mela·to·nin / ˌmeləˈtəʊnɪn ; NAmE ˌmeləˈtoʊnɪn /
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