Translate the following sentence into English.在儿童节时，孩子们兴高采烈，一上午又

Translate the following sentence into English.

在儿童节时，孩子们兴高采烈，一上午又唱又跳。

ON CHILDREN’S DAY, THE CHILDREN WERE IN HIGH SPIRITS, SINGING AND DANCING ALL MORNING.

汉语句子中有两个动词：又唱又跳，可以是并列的动词，兴高采烈为形容词，分析句子的结构可以为：主系表结构+分词短语。