| 1. | It was a day for impulse and truancy . 这是个适于冲动或偷懒的日子。 |
| 2. | We were seized by a sudden impulse to run . 我们身不由己突然想跑。 |
| 3. | The machine also sends a "start" impulse . 机器还发出“起动”脉冲信号。 |
| 4. | The derivative of the step is the impulse . 阶梯的导数就是脉冲。 |
| 5. | The impulse of falling water turns the waterwheel . 落水的冲力使水轮转动。 |
| 6. | I experienced a wild impulse to jest . 在一阵狂妄的冲动之下,我想捉弄别人。 |
| 7. | Nim controlled an impulse to snap back angrily . 尼姆压住了怒火,没有顶撞。 |
| 8. | An electrical impulse is sent to the exterior cells . 电脉冲被送到表层细胞。 |
| 9. | Beaverbrook was a potent impulse . 比费布鲁克是一位具有强大的推动力量的人物。 |
| 10. | He resisted the impulse to look behind him . 这回他极力忍住了,没有回过头去看。 |