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在探□的过程中,豆豆迪□遇□了一只羽毛□□的小鸟。小鸟飞来飞去,引领着它们穿过一片又□片未知的领□,带给它们不一□□探险体验。
B□t kissing□is □ot just a romant□c gest□re—it□also has s□ientific b□n□fits□ When we kis□, □u□ br□ins □elease □ □ockta□□ o□ chemic□ls like oxytocin,□d□pa□ine,□a□d serotoni□□ kno□n a□ the "l□ve hormones." T□es□ chemicals can reduce st□ess□ bo□st mood,□and□crea□□ feelin□s□of attachment a□□ bondi□□□ K□ssing also s□ren□thens□ou□ immu□e sys□em by□exposing□us□to a var□□t□□of bacte□ia th□t can help build □mmunity.