happybrthday是什么意思快乐。生日生日快乐happy.birthday生日快乐happy是快乐.开心.高兴的意思2，补全对话AHbirthdayJackBThankyouMumAWouldyoulikeagH（appy）birthday,Jack!A:Wouldyoulikeag()ofo()juiceB:Yes,p(leace)A:H(ere)youare依次是happyglassorangepleaseherehappy第二和第三个完全不知道说什么pleasehere3，happyhou