您好：Whenwethinkofsmiling,wethinkofthemouth,buttheeyesmay 　　actuallybemoreessentialtoawarm,genuinesmile.Smilingwithyour 　　eyesisdifficulttodescribe--ingeneralyourcheekbonesliftslightly 　　andyoureyebrowsdipalittle--butwhenyouseeit,youknowit:it's 　　thatlookofyoureyes"lightingup"or"twinkling."Togetafeelfor 　　howtomakeyoureyessmile,getinfrontofamirrorandpractice 　　smiling,butconcentrateonlyonyoureyes.Youmayfindithelpfulto 　　coverthelowerpartofyourfacewithapieceofpaper.Playaroundwith 　　itabit,andyou'llfindthatyoucanmakeyourmouthsmilewhenyour 　　eyesaren'tsmiling,andyoucanalsosmileonlywithyoureyes.Whenyour 　　eyesdosmile,rememberhowitfeels,whichmusclesareworkingand 　　how.Withpractice,you'llbeabletosmilewithyoureyesatwill. 　　希望对您的学习有帮助 　　【满意请采纳】O(∩_∩)O谢谢 　　欢迎追问O(∩_∩)O~ 　　祝学习进步~