sonar
n.
apparatus for detection underwater, 1946, from first letters of "sound navigation ranging," on pattern of radar.
〔李〕[son;-arn.] n.声纳 ←son (L sonus)=sound 声音
〔李〕[son;-arn.] n.声纳 ←son (L sonus)=sound 声音
| 词汇 | sonar |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 sonar n. apparatus for detection underwater, 1946, from first letters of "sound navigation ranging," on pattern of radar. 〔李〕[son;-arn.] n.声纳 ←son (L sonus)=sound 声音 |
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