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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 |