ultrasharp sense

例句：

1. 1.The knife was ultrasharp and could cut through almost anything.
   这把刀非常锋利，几乎可以切穿任何东西。
2. 2. The sharpest knives are made from stainless steel.
   最锋利的刀具是由不锈钢制成的。
3. 3.The ultrasharp blade of the saw is essential for cutting through tough materials.
   锯子的超锋利刀片对于切割坚硬材料至关重要。