1、儿童节快乐的英语说法是:Happy Childrens Day.

2、例句:今天是六一儿童节,让我们对彼此说一声“儿童节快乐”!Today is1st, June. Lets say Happy childrens day to each other!

3、happy

adj.感到(或显得)快乐的;高兴的;给予(或带来)快乐的;使人高兴的;幸福的;表示祝愿

比较级: happier; *级: happiest

4、day

n.*;一日;白昼;白天;工作日;*的活动时间