chisel-shaped bit

例句：

1. 1. The carpenter used a chisel to shape the wood for the door.
   木匠用凿子给木头做门的形状。
2. 2. The sculpture is chisel-shaped and has a unique design.
   这个雕塑是凿子形状的，设计独特。
3. 3. The chisel-shaped bit was used to cut through the hardened stone.
   凿子形状的物件被用来切割坚硬的石头。