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| sonic wave | |||
| ultrasonics | |||
| transonic wave | |||
| ultrasound wave | |||
| supersonics | |||
| ultrasound Sound waves having a frequency above about 20,000 hertz (大约2万赫兹以上的高频声波。) | |||
| ultrasonic | |||
| supersonic wave; ultrasonic waves; ultrasound | |||
| hyperacoustic quenching (淬火); super-audible; supersonic; ultra-audio wave; ultra-sound | |||
| ultrasonic wave | |||
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| hyperacoustic | |||
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| supersonics | |||
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| supersonic | |||
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| ultrasonic (的) | |||
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| ultrasonics | |||
| 超声波: 1234 phrases in 50 subjects |