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褪黑素 /tuìhēisù/ meaning in English

ChineseEnglish
褪黑素 /tuìhēisù/ noun

melatonin(hormone)
noun
[UK: ˌme.lə.ˈtəʊ.nɪn] [US: ˌme.ləˈto.ʊ.nən]

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