当你微笑的时候，会排解内啡肽和血清胺，你能分泌快乐的激素。

You release endorphins and serotonin, your feel-good hormones, when you smile.

youdao

当你微笑的时候，会排解内啡肽和血清胺，你能分泌快乐的激素。

You release endorphins and serotonin, your feel-good hormones, when you smile.

youdao