英语词汇“astrolabe”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	astrolabe
释义	Word Frequency astrolabe (ˈæstrəˌleɪb) noun an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device Compare sextant Word origin C13: via Old French and Medieval Latin from Greek, from astrolabos (adj), literally: star-taking, from astron star + lambanein to take
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