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-现代词典

单词	melatonin
释义	melatonin noun uncountable biology UK /ˌmeləˈtəʊnɪn/ DEFINITIONS1 1 a hormone (=natural substance produced in your body) that helps regulate cycles of sleeping and waking Synonyms and related words Hormones and chemicals in the body adrenalin endocrinology endorphin melatonin noun uncountable biology US /ˌmeləˈtoʊnɪn/ DEFINITIONS1 1 a hormone (=natural substance produced in your body) that helps regulate cycles of sleeping and waking Synonyms and related words Hormones and chemicals in the body adrenalin endocrinology endorphin
随便看	never again never darken my door again never-ending neverendum never event never ever never fail to do something never fear never hear the end/last of it never let it be said that never mind nevermore never-never land never say die never so much as nevertheless never the twain shall meet nevertiree never-yet-worn never you mind never/don’t judge a book by its cover nevisian new new age new age traveller

英语词典包含67175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。