ultrasonic chemistry

例句：

1. 1. Ultrasonic waves are used to diagnose diseases in the body.
   超声波用于诊断体内疾病。
2. 2. Ultrasonic cleaning is a method of cleaning that uses high-frequency sound waves.
   超声波清洗是一种使用高频声波的清洁方法。
3. 3. The ultrasonic cleaner can be used to clean small parts without damaging them.
   超声波清洗机可以用来清洗小零件，而不会对它们造成损害。