每个人过生日的时候都唱生日歌，那么大家知道生日歌的由来吗？生日歌是怎么流行起来的呢？大连信雅达翻译公司说说生日歌的由来。

There were two sisters. One was Mildred Hill. She was a teacher of a kindergarten. And the other was Patty Hill. She was principal of the same school.They wrote a song Good Morning to All for children.
有姐妹俩， 一个叫米尔德里德，希尔。她是一书幼儿园教师。另一个叫帕蒂，希尔，这所幼儿园的园长。姐妹俩为孩子们写了一首歌，歌名为《大家早上好》。

The sisters published the song in 1893. Many years later, Robert Coleman published the song without the sters' permission. He added a second verse Happy Birthday. The second part of the song became popular then.
1893年，姐妹俩发布了这首歌曲许多年以后，罗伯特，科尔曼未经姐妹俩的允许，发布了这首歌，他在这首改后又加上了一节一《生日快乐》。从那时起第二节歌开始流行起来。

Nowadays, people all over the world know this song and sing it on their birthdays.
如今，全世界的人们都知道这首歌曲，并在过生日的时候演唱。