1. 。
He drew a straight line on the wall.
2. 。
A ruler helps one to draw a straight line.
3. 。
Draw a straight line.
4. 。
In mathematics, a straight line is defined by two points.
5. 、、。
In a time-bound society time is seen as linear- in other words as a straight line extending from the past, through the present, to the future.
6. 。
The two lines cross each other at right angles.
7. 。
These two lines are at right angles.
8. 。
Draw a straight line here.
11. ああるA から びいしいBC えっちH 。
12. ， y _= x きごう− 。
Consider a circle of radius 2 centered at the origin, find its points of intersection with the line y = x - 1 .
Lingaku