- (functioning as singular) the branch of physics concerned with ultrasonic waves
Also called: supersonics
单词 | ultrasonics |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 ul•tra•son•ics (ul′trə son′iks),USA pronunciation n. (used with a sing. v.)
Collins Concise English Dictionary © HarperCollins Publishers:: ultrasonics /ˌʌltrəˈsɒnɪks/ n
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