sextant
柯林斯词典
1. N-COUNT A sextant is an instrument used for measuring angles, for example between the sun and the horizon, so that the position of a ship or aeroplane can be calculated. 六分仪; 用于测算船只或飞机位置的仪器
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1. N-COUNT A sextant is an instrument used for measuring angles, for example between the sun and the horizon, so that the position of a ship or aeroplane can be calculated. 六分仪; 用于测算船只或飞机位置的仪器