内啡肽是人体自身释放的一种化学物质，用来帮助减压、镇痛，同时会让人产生一种幸福、快乐的感觉。
Endorphin is a natural chemical produced in the body that helps reduce stress and pain, creating a general sense of well being and happiness.
内啡肽是人体自身释放的一种化学物质，用来帮助减压、镇痛，同时会让人产生一种幸福、快乐的感觉。
Endorphin is a chemical secreted from one's own body that helps reduces stress, pain and creates a general sense of well being and happiness.
内啡肽是人体自身释放的一种化学物质，用来帮助减压、镇痛，同时会让人产生一种幸福、快乐的感觉。
Endorphin is a chemical secreted from one's own body that helps reduce stress, pain and creates a general sense of well-being and happiness.
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