那份噯隻許伱甡
parallel Lines数学中平行线的英文是“parallel Lines”音标[ˈpærəlel laɪnz] 双语例句The parallel lines appear to diverge. 这些平行线像是岔开了。Parallel lines will never meet no matter how far extended. 相平行的线不管延伸多长，永远都不会相交。
superman0810
alternate interior angle alternate exterior angle corresponding angles或者exterior-interior angles sameside interior angles sameside exterior angles
闪闪的钻石糖
1正方形：Square2正方体：Cube3长方形：Rectangle4长方体：Cuboid5圆：Round6球：Ball7五边形：Pentagon8六边形：Hexagon9圆锥：Cone10直角三角形：Right triangle11锐角三角形：Acute triangle12钝角三角形：Obtuse triangle13等边三角形：Equilateral triangle14等腰三角形：Isosceles triangle15相交：Intersect16直线：Straight line17射线：Ray18线段：Line19距离：Distance20宽：Wide21角：Angle22原点：Origin
