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超声的
involving or relating to sound waves with frequencies higher than the upper limit of human hearing
- The ultrasonic cleaner uses high-frequency sound waves to clean delicate items.
超声波清洁器使用高频声波来清洁精致物品。
- Dogs can hear ultrasonic frequencies that are beyond the range of human hearing.
狗可以听到超出人类听力范围的超声波频率。
- The device produced an ultrasonic sound that humans could not hear, but pets reacted to it.
该设备产生了人类听不到的超声波，但宠物对它产生了反应。
- An ultrasonic sensor detected the distance between the car and the object.
一个超声波传感器检测到了汽车与物体之间的距离。
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