表示长、宽、高、面积等,用基数词+单位词（meter,foot,inch,kilogram等）+ 形容词（long,wide,high等）表示,或者用基数词+单位词 + in + 名词（length,width,height,weight等）表示.
　　two meters long或 two meters in length 2米长
　　three feet high或 three feet in height 3英尺高
　　four inches wide或 four inches in width 4英寸宽
　　This box is 2 kilograms in weight．
　　这个盒子有两千克重.
　　The city wall of Xi’an is 12 meters wide and 12 meters high．
　　西安城墙是12米宽,12米高.