quads
[kwɑ:dz]
n.
四倍( quad的名词复数 );
空铅;
（大学的）四周有建筑物围绕的方院;
四胞胎之一;
例句:
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In February, Ms. Saunders added extra leg exercises to get my quads and hamstrings in proportion to my upper body.
来自WSJ
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For best performance, use triangles and quads or a combination of both.
为了更好的性能, 使用三边形和四边形或联合使用三边形与四边形.
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Because the quads follow the camera, they give the illusion of filling a 3 D volume.
由于这些矩形是跟随摄像机的, 所以利用它们就像幻觉一样就描绘出了3D体积效果.
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Quads is an animation telling the story of Reilly O'Reilly, a foul-mouthed drunk.
来自BBC
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With Lapthorne doing his thing in the quads, there has never been a better time to get into wheelchair tennis.
来自BBC