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单词 melatonin
释义
melatonin
noun [ U ] chemistry, biology specialized uk/mel.əˈtəʊ.nɪn/ us/mel.əˈtoʊ.nɪn/
降黑素(体内的一种激素,能刺激肤色变化,与日常睡眠等生物节律有关)
a hormone in the body that produces changes in skin colour and is involved in controlling biorhythms such as our sleep pattern
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