jack-up

例句：

1. 1. The workers jacked up the heavy machine to move it across the room.
   工人们抬起了这台重型机器，把它移到了房间的另一头。
2. 2. The team jacked up their defenses in the last quarter.
   在最后一节比赛中，球队提升了他们的防守。
3. 3. The car was jacked up to get through the narrow tunnel.
   为了穿过狭窄的隧道，汽车被抬高了。