ultrasonics / ˌʌl trəˈsɒn ɪks /

📖毕业后词汇超声学超声波技术超音波学超音波技术

ultrasonics 的定义

n. 名词 noun
  1. the branch of science that deals with the effects of sound waves above human perception.

更多ultrasonics例句

  1. Ultrasonics were nice, effective, humane police weapons, but they were unreliable.