saw shaped impulse

例句：

1. 1. The sudden saw-shaped impulse caused her to miss the bus.
   突然的锯齿形冲动让她错过了公交车。
2. 2.The researcher found that the saw-shaped impulse was responsible for the patient's seizures.
   研究者发现锯齿形冲动是导致患者癫痫发作的原因。
3. 3.The artist used a saw-shaped impulse to carve the wood into intricate patterns.
   艺术家使用锯齿形冲动将木材雕刻成复杂的图案。