| 1. | The dividing line between the two is not always sharp .
两者的分界线不总是明确的。 |
| 2. | He thought aster sometimes crowded the line between courage and rashness .
他认为埃斯特有时候混淆了勇敢与鲁莽之间的界限。 |
| 3. | With a wrench he loosens the nuts which fuse the fuel line between tank and engine .
他用钳子扭松了接连油箱与发动机的油管上的螺钉帽。 |
| 4. | We may partition matrices by drawing horizontal and vertical lines between the rows and columns .
我们也可以将矩阵分块，即在行以及列之间画一些水平线和垂直线。 |
| 5. | " border frontier " refer to the dividing line between two countries or states or the land near that line .
“border，frontier”均指两国之间的边界线或边界地区。 |
| 6. | In total war it is quite impossible to draw any precise line between military and nonmilitary problems .
在总体战中，很难在军事问题和非军事问题之间划出什么明确的界线。 |
| 7. | The line between the combatant and non-combatant ship, already indistinct, had almost vanished .
战斗舰与非战斗舰之间的那种本来已经不十分明显的界线，这时几乎已不存在了。 |
| 8. | The force acts along a line between the center of the bodies and is repulsive for like charges and attractive for unlike charges .
力沿两个带电体中心连线而作用，同性相斥，异性相吸。 |
| 9. | She lay in bed, white, with terror-filled eyes, her lips set and a little vertical line between the brows .
她躺在床上，脸色惨白，眼里充满恐怖，双唇不动，双眉间有一道竖着的细细的皱纹。 |
