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首页英语词典ultrasonicultrasonic英英释意

ultrasonic

英 [ʌltrə'sɒnɪk] 美[,ʌltrə'sɑnɪk]
  • adj. [声] 超声的;超音速的
  • n. 超声波

英英释意


1. having frequencies above those of audible sound