big and small英语儿歌视频下载，mp4格式，下载前请先试看。 英文儿歌big and small歌词：
They're big,They're big,
They're small,They're small,
Big and small,Big and small,
They are big,They are small.
It's heavy,It's heavy,
It's light,It's light,
Heavy and light,It's light,
It is heavy,It is light.