happy birthday
US /ˌhæp.i ˈbɜːrθ.deɪ/
UK /ˌhæp.i ˈbɜːrθ.deɪ/

感歎詞
1.
生日快樂
a greeting or expression of good wishes on a person's birthday
範例:
•
She wished him 'Happy birthday!' as he walked in.
他一進來,她就祝他「生日快樂!」
•
We sang 'Happy Birthday' to my little brother.
我們給弟弟唱了《生日快樂》。
在 Lingoland 學習這個單詞