油灰刀

例句：

1. 1. He used the oil-gum knife to carefully cut the cake.
   他用油灰刀小心翼翼地切蛋糕。
2. 2. The carpenter used a chisel to smooth the wood surface.
   木匠用凿子打磨木材表面。
3. 3. The chef used a sharp knife to slice the vegetables for the salad.
   厨师用一把锋利的刀切蔬菜做沙拉。