sonars

 
['səʊnɑːz]     ['səʊnɑːz]    
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sonars的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 sonar:
  1. a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return

今日熱詞
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