□ut kissing i□ not just □ □omantic gestur□—it al□o□□as□scientific□benefit□□ Wh□n we kiss, □ur br□□ns r□lease a c□ckt□□□ of □hemicals□lik□ o□ytoc□n,□dopa□ine, an□ serotonin,□□n□wn as th□ □□□ve ho□□o□□s."□The□e chemicals □an reduce s□ress, b□ost moo□, □nd create feelings□of at□achment and b□nding□ K□ss□ng also □tren□then□□our immune sys□em by exposing us to□a □ariety of bacteria that can help b□ild immunity.□习氛□
永恒□传说<□□2>
震撼□甲午战争