儿歌名称：trapezoid song
歌词：
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
Draw a trapezoid up in the air (2x)
Draw a small, small trapezoid up in the air (4x)
Draw a big, big trapezoid up in the air (4x)
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
Walk in the shape of a trapezoid (4x)
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
A trapezoid is a shape that has four sides
It has one pair of sides made of parallel lines
