line delete command

例句：

1. 1.The line was too long to read the text on it.
   那条线太长，无法阅读上面的文字。
2. 2. She carefully removed the tape from the wall.
   她小心翼翼地从墙上移除了胶带。
3. 3. The line was cut off at the source.
   线路在源头被切断了。