"祝你一周岁生日快乐!"英语怎么说呢?

"祝你一周岁生日快乐!"：Happy your 1st Birthday!

birthday 英[ˈbɜ:θdeɪ] 美[ˈbɜ:rθdeɪ]
n. 生日; 诞辰; 成立纪念日;
[例句]Birthday parties usually have a birthday cake.
生日派对上通常会有生日蛋糕。

"祝你一周岁生日快乐!"
Happy 1st Birthday!

happy the first birthday to you