melatonin

US [ˌmeləˈtoʊnɪn]
UK [ˌmeləˈtəʊnɪn]
  • n.退黑激素
  • Web褪黑激素;褪黑素;褪黑色素
melatonin
n.
1.
退黑激素a hormone that affects skin colour and is thought to regulate the reproductive cycle

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
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