| 1. | We have marked the playing area off with a white line .
我们已用白线画出运动场地。 |
| 2. | Incidentally, can you tell which direction the particles, represented by the white lines, are traveling ?
顺便问一句，你能否说出白线所代表的粒子朝哪个方向运动吗？ |
| 3. | White lines divide the playing area into sections
这些白线把赛区分成各个部分 |
| 4. | We have marked the playing area off with a white line
我们已用白线画出运动场地 |
| 5. | White lines divide the playing area into sections
这些白线把赛区分成各个部分 |
| 6. | She took up some scissors and a reel of white string
她拿起几把剪刀和一轴白线。 |
| 7. | By crossing double white lines at sharp bends
在有急弯的地方，越过双白线扒头 |
| 8. | White lines or areas should always separate them
我们通常使用白线或白色区域将彼此分开。 |
| 9. | The playing area is demarcated by a white line
运动场地以白线为界 |
| 10. | Paws on the white line . tails in the air
爪子沿着白线,尾巴翘起来 |
