| 单词 | melatonin |
| 释义 | melatonin (once / 81513 pages) n WORD FAMILY melatonin USAGE EXAMPLESThe melatonin I purchased is hard to administer. Washington Post(Dec 16, 2016) Experts say changing levels of the brain chemicals melatonin and serotonin, which plays a role in our mood and how we sleep, triggers the depression. Washington Times(Dec 14, 2016) Exposure to sunlight prevents the brain from producing melatonin and other natural soporifics. Science Magazine(Nov 23, 2016) n hormone secreted by the pineal gland Hyper endocrine, hormone, internal secretion the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect |
| 随便看 |
|
英语词典包含147318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。