| 单词 | astrolabe |
| 释义 | astrolabe n. an instrument, usu. consisting of a disc and pointer, formerly used to make astronomical measurements, esp. of the altitudes of celestial bodies, and as an aid in navigation. Etymology: ME f. OF astrelabe f. med.L astrolabium f. Gk astrolabon, neut. of astrolabos star-taking |
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