词汇 | ghrelin |
释义 | ghrelin noun [ U ] biology specialized uk/ˈɡrel.ɪn/ us/ˈɡrel.ɪn/ (让人产生饥饿感的)脑肠肽,饥饿激素 a hormone (= a chemical made in the body) that makes you hungry When ghrelin levels are up, people feel hungry. 当饥饿激素水平上升时,人们会感到饥饿。 In experiments, sleep-deprived adults produced more ghrelin. 在实验中,睡眠不足的成年人会产生更多的脑肠肽。 Compare: leptin
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