英语词汇melatonin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	melatonin
释义	mela·to·ninBrE /ˌmeləˈtəʊnɪn/NAmE /ˌmeləˈtoʊnɪn/ noun [U] (biology 生物) a hormone that affects skin colour and is thought to be involved in controlling the reproductive cycle 褪黑（激）素
随便看	it's a fair cop it's a free country it's all Greek to me it's all water under the bridge it's (all) water under the bridge it's a long story it's always the way (it's) always the way it's an ill wind it's an ill wind that blows nobody any good it's an ill wind (that blows nobody any good) it's as broad as it's long it's a small world it's a thing it's a wonder it's a wonder that it's a wonder (that)… it says a lot for it says a lot little for it says a lot, very little, etc. for sb it says a lot, very little, etc. for sb/sth it says a lot, very little, etc. for sth it says a very little for it says very little for it's a… thing

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