rectangular

adj. /rekˈtæŋɡjələr/ B2

矩形的；长方形的

Having the shape of a flat shape with four straight sides and four right angles.

仙境例句

The school's rectangular blackboard was really a flat grey stone from the sea floor.

学校那块长方形的黑板，其实是一块海底的灰色平石头。