melatonin
US /mel.əˈtoʊ.nɪn/
UK /mel.əˈtəʊ.nɪn/
名詞
褪黑素
a hormone that is naturally produced by the pineal gland in the brain and helps regulate sleep-wake cycles
範例:
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Many people take melatonin supplements to help with jet lag.
許多人服用褪黑素補充劑來幫助緩解時差。
•
The body's production of melatonin increases in the dark.
身體在黑暗中會增加褪黑素的產生。