| 释义 |
sextant
noun[ C ]
uk /ˈsek.stənt/ us /ˈsek.stənt/
a device used on a ship or aircraft for measuring angles, such as those between stars or that between the sun and the earth, in order to discover the exact position of the ship or aircraft（船舶或飞机精确定位用的）六分仪
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