这幅画由四个矩形色块组成。

The painting consists of four ___rectangular blocks of color.

公园里有一片矩形的草地区域供野餐使用。

The park has a ___rectangular area of grass for picnics.

这个房间是矩形的，尺寸为4米乘6米。

The room is ___rectangular, measuring 4 by 6 meters.