1. Other early instruments included the sextant and the astrolabe. 另外的早期仪器还有六分仪和星盘。
2. Maria taught them to use the sextant, an instrument measuring the height of the sun from the horizon. 玛丽向他们传授使用六分仪的方法,这种仪器可以用来测算太阳距海面的高度。
3. an instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration. 测量天体角度的仪器;类似于六分仪但是带有度的刻度。
英英解释
n.
1. a unit of angular distance equal to 60 degrees
2. a measuring instrument for measuring the angular distance between celestial objects; resembles an oc