英语词汇“melatonin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	melatonin
释义	melatonin noun /ˌmeləˈtəʊnɪn/ /ˌmeləˈtəʊnɪn/ [uncountable] (biology) jump to other results 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) Word Origin1950s: from Greek melas ‘black’ + serotonin.
随便看	the-uss-constitution the V and A the vanquished the Variety Club the Vatican the-vatican (the) Vatican City the Velvet Underground the-velvet-underground the Verrazano-Narrows Bridge (the) Very Reverend the-very-reverend the Veterans of Foreign Wars the-veterans-of-foreign-wars the Conqueror the Conquest the-conquest the Conservative Monday Club the Conservative Party the-conservative-party the Continental Congress the-continental-congress the Continental Divide the-continental-divide the Co-op

英语词典包含84843条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。