supersonic medicine

例句：

1. 1. The aircraft is flying at supersonic speeds.
   飞机以超音速飞行。
2. 2. The rocket reached supersonic velocity before it hit the Earth's atmosphere.
   火箭在撞击地球大气层前达到了超音速速度。
3. 3. The sound of the jet engine was so loud that it could be heard from a mile away.
   喷气发动机的声音如此响亮，以至于一英里外都能听见。