中文词源
rectangle 直角
rect-,直的，正确的，angle,角。
英语词源
- 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."
权威例句
- 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.
广而告之
1一秒钟记单词小学英语单词记背神器英语一二三四五六年级人教版英语词汇汇总表单词记背神器 单词记忆书单词词汇速记强化训练
【推荐理由】赠运费险，热门商品
【现价】27.9
【下单链接】38￥ CZ3457 5OArdvEMFvn￥