英语词汇“ultrasonic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ultrasonic
释义	ultrasonicultrasonic /ˌʌltrəˈsɑnɪk◂/ adjective science, physics ultrasonic sound waves measure more than 20,000 Hertz, and cannot be heard by humans
随便看	pullover pull-up pulmonary pulp pulpit pulpwood pulpy pulsar pulsate pulsating pulsating theory pulsation pulse pulverization pulverize puma pumice pummel pump pump-action pumped pumpernickel pumpkin pump room pun

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