是Happy Birthday还是Happy birthday?二者有什么区别?为什么英语课本上是Happy Birthday?

是Happy Birthday还是Happy birthday?二者有什么区别?为什么英语课本上是Happy Birthday? 是happy birthday to her还是happy birthday to she?同上 请问是Happy birthday to you.还是Happy birthday with you. 我们生日快乐是“Happy birthday with we”还是“Happy birthday with us“?如题. Today is my birthday!回答是Oh,good!还是Happy birthday? 生日快乐中的HAPPY brithday是这样的,还是HAPPY birthday?（无知者去打酱油） Happy Birthday的中文是? 英文歌曲 歌词开始是happy birthday happy birthday to you hap的意思是 Happy birthday! happy birthday! happy Birthday to you怎么回答?是回答谢谢,还是不客气?或者其他的? 祝我生日快乐,到底是happy birthday for me,还是to me? 这个是啥意思Happy birthday Happy Birthday 是生日快乐的意思吗? birthday 还是 brithday有brithday这个单词吗?生日快乐究竟是Happy Birthday,还Happy Brithday?还是两个都对啊在百度中搜索可以搜到很多Happy Brithday Hap py birthday to myself请问中文是什么意思 到底是in birthday,还是on birthday