高兴的副词用英文怎么说

"happily" 是表示高兴的副词，它来自英语单词 "happy"，意思是快乐的、高兴的。

例句:

She sang happily. (她高兴地唱歌。)
They walked happily down the street. (他们高兴地走在街上。)
He finished his work happily. (他高兴地完成了工作。)