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	WordReference Random House Unabridged Dictionary of American English © 2024 mel•a•to•nin (mel′ə tō′nin),USA pronunciation n. [Physiol.] Biochemistry, Physiologya hormone secreted by the pineal gland in inverse proportion to the amount of light received by the retina, important in the regulation of biorhythms: in amphibians, it causes a lightening of the skin. Greek mélā(s) black + tone + -in² 1955–60
随便看	dizzy dizzying dizzyingly diégo-suarez d.j. dj djailolo djajapura djakarta djambi djebel djebel druze djellaba djellabah djerba djerma djibbah djibouti djiboutian djilas djin djinni djins djokjakarta d.journ.

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