retractable pusher-leg

例句：

1. 1. The new car has a retractable pusher-leg that canbe used to open the trunk.
   这款新车有一个可伸缩的推杆，可以用来打开行李箱。
2. 2. The robot's legs are madeof lightweight materials, allowing it to movequickly and efficiently.
   机器人的腿由轻质材料制成，使其能够快速而高效地移动。
3. 3. The soldier used his retractablepusher-leg to crawl through thetunnel.
   士兵使用他的可伸缩腿在隧道中爬行。