英语词汇“supersonic rays”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	supersonic rays
释义	supersonic rays su·per·son·ic rays rays with a frequency higher than that perceptible to the human ear, above 20,000 Hz. Synonym(s): ultrasonic rays
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supersonic rays