单词	sonobuoy
释义	sonobuoy noun so·​no·​buoy ˈsä-nə-ˌbȯi  -ˌbü-ē : a buoy equipped for detecting underwater sounds and transmitting them by radio Example Sentences Recent Examples on the Web Next, the sonobuoy unfolds a five-sided array of 40 underwater microphones (known as hydrophones), creating an underwater listening post. Kyle Mizokami, Popular Mechanics, 6 Jan. 2022 In addition the Trackers were armed with sonobuoys, droppable listening posts that radio any contacts back to the plane. sandiegouniontribune.com, 13 May 2018 Word History First Known Use 1937, in the meaning defined above
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