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单词
dipping sonar
释义
dipping sonar
dipping sonar
[
′dip·iŋ ′sō‚när
]
(engineering)
A sonar transducer that is lowered into the water from a hovering antisubmarine-warfare helicopter and recovered after the search is complete. Also known as dunking sonar.
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swear one out
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swear one to secrecy
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swear on somebody's mother's grave
swear on (someone or something)
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swear on their mothers' grave
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swear on your mother's grave
swear out
swear out a complaint against
swear out affidavits against
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republic of egypt
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更新时间:2024/11/11 17:29:11