在表演台的后面有个大屏幕,播放孩子们画得妈妈的画.There were slides playing on the big screen as a background.表演已经开始.现场的气氛也已经很热闹了. 表演台位于地下二楼.The show already begun, and the atmosphere was already livened theand the audience....

“表演台”的英语可以翻译为：[体]platform，[体]posing plinth ...