英语单词生日是birthday，详细信息如下：birthday 英 [ˈbɜ:θdeɪ] 美 [ˈbɜ:rθdeɪ]n.生日;诞辰;成立纪念日例句：John just told me that your birthday is on the same day as mine. 约翰刚告诉我你和我的生日是同一天。

I took some photos with her camera on my birthday 我用她的相机在我过生日那天拍了些照片。