stone breaker

例句：

1. 1. The stone breaker was able to crush the boulder in a single blow.
   那个石头破碎机一锤就把大石头砸碎了。
2. 2.The engineer designed a machine that could easily break through tough stones.
   工程师设计了一台机器，可以轻松地穿透坚硬的石头。
3. 3.The construction site had a large pile of rocks that needed to be broken down for the next phase of work.
   施工现场有一堆需要被打破的岩石，以便进行下一步的工作。