英语词汇“melatonin”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	melatonin
释义	melatonin noun /ˌmeləˈtəʊnɪn/ /ˌmeləˈtəʊnɪn/ [uncountable] (biology生物) a hormone that helps regulate (= control) waking and sleeping in humans and animals, and which is sometimes used to treat insomnia (= the condition of being unable to sleep)褪黑（激）素词源1950s: from Greek melas ‘black’ + serotonin.
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