melatonin
名詞
UK/mel.əˈtəʊ.nɪn/
US/mel.əˈtoʊ.nɪn/
定義 melatonin 名詞
- Uncountable(不可数名词)chemistry(化学)
A hormone produced in the body that regulates skin pigmentation and is involved in controlling biological rhythms, such as sleep patterns.
一种体内激素，影响肤色变化，并参与调节生理节律，如睡眠模式。
The doctor recommended he take melatonin to help regulate his sleep.
医生建议他服用褪黑激素来帮助调节睡眠。
Melatonin production is influenced by light, increasing in the dark.
褪黑激素的分泌受光线影响，在黑暗中增加。
Many long-distance travelers use melatonin to alleviate the effects of jet lag.
许多长途旅行者使用褪黑激素来缓解时差效应。