Saboteurs blew up a small section of the track.

有人蓄意炸毁了一小段路。

2. no longer 不再
 

He's no longer a depressive character.

他不再是一个抑郁的人物。

3. pick up 捡起；获得
 

Will you pick up all your toys?

把你的玩具都收起来好不好？

4. a few minutes later 几分钟后
 

A few minutes later the bomb went off, destroying the vehicle.

几分钟后炸弹爆炸了，摧毁了那辆车。