sextant
['sekstənt]
n.六分仪(航海定向仪器)
例句与用法：
A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies.
星盘一种中世纪的仪器，曾用来测量太阳或其它天体的高度，现在已被六分仪取代
详细释义：
n.
六分仪
sextant
['sekstənt]
n.六分仪(航海定向仪器)
例句与用法：
A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies.
星盘一种中世纪的仪器，曾用来测量太阳或其它天体的高度，现在已被六分仪取代
详细释义：
n.
六分仪