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| # | 英语 | 汉语 | |
|---|---|---|---|
| 1 | perimeter | n. 周长：the distance around a shape | |
| 2 | breadth | n. 宽度：the distance from side to side | |
| 3 | width | n. 宽度：how wide something is | |
| 4 | rectangle | n. 长方形：a shape with four sides and four right angles | |
| 5 | geometry | n. 几何：the study of shapes and space | |
| 6 | figure | n. 图形：a shape or diagram | |
| 7 | area | n. 面积：the amount of space inside a shape | |
| 8 | volume | n. 体积：the amount of space inside a 3D object | |
| 9 | angle | n. 角：the space between two lines that meet | |
| 10 | measure of angle | n. 角度：the size of an angle in degrees | |
| 11 | triangle | n. 三角形：a shape with three sides | |
| 12 | parallelogram | n. 平行四边形：a shape with opposite sides parallel | |
| 13 | rhombus | n. 菱形：a shape with four equal sides and opposite angles equal | |
| 14 | trapezoid | n. 梯形：a shape with one pair of parallel sides | |
| 15 | circle | n. 圆：a round shape with all points the same distance from the center | |
| 16 | semi-circle | n. 半圆：half of a circle | |
| 17 | radius | n. 半径：the distance from the center to the edge of a circle | |
| 18 | diameter | n. 直径：the distance across a circle through the center | |
| 19 | diagonal | n. 对角线：a line connecting opposite corners | |
| 20 | cube | n. 立方体：a 3D shape with six square faces |