n.(航海用的)六分仪;
例句:
Is sextant still widely used for navigation?
六分仪现在仍然广泛应用于航海 吗 ?
Sextant once played a very important role in navigation.
六分仪曾经在航海中扮演了重要角色.
Other early instruments included the sextant and the astrolabe.
另外的早期仪器还有六分仪和星盘.