endorphins
[en'dɔ:fɪnz]
n.
脑内啡;
安多芬;
内啡肽。是一种内成性（脑下垂体分泌）的类吗啡生物化学合成物激素。它是由脑下垂体和脊椎动物的丘脑下部所分泌的氨基化合物（肽） .它能与吗啡受体结合;
产生跟吗啡、鸦片剂一样有止痛和欣快感。等同天然的镇痛剂。利用药物可增加脑内啡的分泌效果。英文endorphin是endomorphin的简化写法;
例句:
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The endorphins linger , delightfully , for hours afterwards.
早晨泡个桑拿有助于工作,晚上则有助于睡眠.
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Endorphins serve as powerful pain relievers.
内啡肽可以作为强效止痛药.
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Run, jog, go the the gym or do something that stimulates the endorphins in your body.
跑步, 慢跑, 去健身房或者做些刺激身体里的多肽的活动.
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Endorphins are also painkillers which can cause feelings of euphoria.
来自BBC
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The body also produces its own natural painkillers called endorphins.
来自BBC
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The day drained out of her and endorphins filled her floodplains.
来自NEWYORKER