拉力

例句：

1. 1. The car'sengine is producing a lot of power,but the tires are losing their traction.
   汽车的引擎产生很多动力，但轮胎正在失去抓地力。
2. 2. The ropewas stretched too tight, and it wasdifficult to pull the heavy box up thestairs.
   绳子拉得太紧了，很难把重箱子搬上楼梯。
3. 3. The teamworked together to overcome the challenges and achievethe goal.
   团队共同努力克服挑战并实现目标。