rectangle

rect-,直的，正确的，angle,角。

rectangle (n.)

1570s, from Middle French rectangle (16c.) and directly from Late Latin rectangulum, from rect-, comb. form of Latin rectus "right" (see right (adj.1)) + Old French angle (see angle (n.)). Medieval Latin rectangulum meant "a triangle having a right angle."

1. Suppose the width of a rectangle is x metres.

设长方形的宽是x米.

2. He handed me a little rectangle of white paper.

他递给我一张小小的长方形白纸片。

3. A squared rectangle is a rectangle dissected into at least two squares.

方化矩形是指可以分割成至少两个正方形的矩形.

4. A torus can be obtained from a rectangle by identifying opposite sides.

环面可由矩形把其两对对边分别重叠起来而得到.

5. The rectangle clearly shows each separate class in the distribution.

矩形能够清晰地显示出各级分布状况.