grappler

例句：

1. 1.The crane is used to lift heavy loads.
   起重机用来吊起重物。
2. 2. The winch was the only way to get the rope out of the water.
   绞盘是唯一把绳子从水中拉出来的方法。
3. 3.The crane operator carefully maneuvers the heavy load onto the truck.
   起重机操作员小心翼翼地将重物移到卡车上。