英语词汇“ultrasonic wave”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 wave
释义	DictionarySeeultrasound ultrasonic wave ultrasonic wave [¦əl·trə′sän·ik ′wāv] (acoustics) A sound wave that has a frequency above about 20,000 hertz. ultrasonic wave ultrasonic wave A sound wave of greater frequency than 20 kHz. These waves do not produce sound audible to the human ear. See also: wave FinancialSeeWave
随便看	said that to their faces said that to themselves said that to your face said that to yourself said that to yourselves said the actress to the pope said the word said this about said this against said this for said this much for said to contain said tongue in cheek said too much said to weigh said uncle saie saiea saiec saied saiee saiees saieg saieh saiem

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