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 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	orzo os osa oscar oscillate oscillation oscillator oscilloscope osculate osha osier osint oslovian osmium osmosis osmotic osprey ossi ossicone ossification ossify ossuary ostensible ostensibly ostentation

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。