ultraharmonic vibration

例句：

1. 1. Ultrasonic waves are used in medical imaging to create detailed images of internal organs.
   超声波用于医学成像，以创建内部器官的详细图像。
2. 2.The ultrasonic waves were so powerful that they could break through the ice and reach the bottom of the lake.
   超声波如此强大，以至于它们能够穿透冰层并到达湖底。
3. 3. In this experiment, we used ultrasonic waves to measure the speed of sound in different materials.
   在这个实验中，我们使用超声波来测量不同材料中声速的速度。