血清素 xuèqīngsù serotonin Definitions Defs Origin Strokes Stroke Words Sentences Sents 血清素 xuèqīngsù serotonin serotonin; a chemical that carries messages between nerve cells in the brain and throughout the body
血清素 xuèqīngsù serotonin serotonin; a chemical that carries messages between nerve cells in the brain and throughout the body