The book had rounded, not square, corners.

这本书是圆角的，而不是方角的。

《牛津词典》

Rather than being perfectly square or rectangular, the keys have one rounded, curved side, giving them the look of a tooth or roof shingle.

不同于以往的正方形或者矩形，这些键有着圆弧形的边缘，使它们看起来像是牙齿或者瓦片。

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In general, some of the rounded edges have a square look in the lightweight UI (see Figure 6).

通常，在轻量级ui中，一些圆滑的边有一个正方形的外观(参见图6)。

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Mr. Verhoeven also cited the differences between icons, such as the messaging application in the Samsung "Fascinate" phone, which doesn't use the familiar rounded-square images.

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Although the form factor has evolved, it still sports the same touch screen, rounded-edge square apps, and home button.

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He points to a diagram of a gray square with rounded edges to represent the compromise.

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