Ject对"sextant" 的正确翻译：n. 六分仪(航海定向仪器)。发音：['sekstənt]。例句参考：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；