A piece of furniture for reclining and sleeping, typically consisting of a flat, rectangular frame and a mattress resting on springs.
床一件为躺靠和睡觉用的家具，典型的由一个平的，矩形的柜架和放在弹簧上的垫子组成
A rolling mill is used to form the material into various form such as round rod, square or rectangular bar.
人们使用轧机把材料加工成各种形状，如圆棒材、方棒材和矩形棒材。
An orderly arrangement of data, especially one in which the data are arranged in columns and rows in an essentially rectangular form.
表数据中的一种有序排列，尤指其中的数据按基本上构成一个矩形的竖行和横行进行排列的一张表格
