1、A four-sided plane figure with four right angles
矩形，長方形具有四個(gè)邊的方形，有四個(gè)直角

2、A four-sided plane figure with opposite sides parallel
平行四邊形一種有四條邊且每兩條邊對(duì)應(yīng)平行的平面圖形

3、Stylish and four-sided protection design.
時(shí)髦的外觀及四面保護(hù)設(shè)計(jì)。

4、For instance, mandating a four-sided fence around a pool can decrease risk of drowning.
例如，強(qiáng)制規(guī)定水池加裝圍欄可以減少溺水的危險(xiǎn)。

5、You can easily draw four-sided polygons in Processing with quad.
在Processing內(nèi)使用quad可以很容易地繪制有四個(gè)邊的多邊形。

6、The Amstelhof, a severely handsome, four-sided brick building enclosing a large garden, is huge.
Amstelhof是一個(gè)簡(jiǎn)潔出眾，4面體，中間有一個(gè)大花園的巨大砌體建筑。