英语词汇“course protractor”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	course protractor
释义	WordReference Random House Unabridged Dictionary of American English © 2024 course′ protrac′tor, Nautical, Naval Termsa navigational instrument for measuring the bearing of a course as given on a chart, having a disk calibrated in degrees and an arm pivoted about the center of the disk.
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