英语词汇“Petersen grab”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	Petersen grab
释义	Definition of Petersen grab in English: Petersen grab noun ˈpiːtəs(ə)n ˌɡrab A kind of mechanical grab for obtaining a sample of the bed of a body of water, consisting of two jaws semicircular in vertical cross-section and hinged along the top, arranged so as to close automatically on contact with the bottom. Origin 1920s. From the name of Carl Georg Johan Petersen, Danish marine biologist, who invented it + grab. Definition of Petersen grab in US English: Petersen grab nounˈpiːtəs(ə)n ˌɡrab A kind of mechanical grab for obtaining a sample of the bed of a body of water, consisting of two jaws semicircular in vertical cross-section and hinged along the top, arranged so as to close automatically on contact with the bottom. Origin 1920s. From the name of Carl Georg Johan Petersen, Danish marine biologist, who invented it + grab.
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更新时间：2025/2/5 2:09:25