少年宫的英文：
children's palace
children's hall

children是什么意思：
phr. [child] 的复数形式；孩子

And it is not for children.
它并不是为孩子准备的。

This room was designed for the children/designed as a children's playroom.
这个房间预定留给孩子们用;留作孩子们的游戏室。

The children shouted
孩子们齐声大喊“是”。

palace是什么意思：
n. 王宫，宫殿；豪华住宅，宏伟建筑物；宅邸

The Palace Museum is the imperial palace of ancient Chinese emperors.
故宫是中国古代皇帝的皇宫。

The ancient palace has a lot of atmosphere.
这座古老的宫殿很有魅力。

A menacing gang has breached the palace
皇宫已被一群用心险恶的人给包围了

hall是什么意思：
n. 门厅，正门过道；走廊；礼堂，大厅；宿舍楼；大庄园府邸

Behind the Resting Hall is the Hall of Saint's activities.
寝殿后面是圣迹殿。

She introduced the visitors into the hall.
她把参观者引进大厅。

The lights were on in the hall and in the bedroom.
门厅和卧室的灯都亮着。