来自拉丁语 sextans,六分之一，词源同 six.后用于指仪器六分仪。
- sextant:  A sextant is etymologically an instrument based on a ‘sixth’ of a circle. Sextants measure off the angle between the horizon and a celestial body on a graduated scale that is marked on an arc equal to one sixth of a circle. They were first named at the beginning of the 17th century by the Danish astronomer Tycho Brahe, who used the term sextāns ‘sixth part’, a derivative of Latin sextus ‘sixth’ (to which English six is closely related). The anglicized version sextant is first recorded in 1628.
- sextant (n.)
- instrument for determining latitude, 1620s, from Modern Latin sextans, said to have been coined c. 1600 by Danish astronomer Tycho Brahe, from Latin sextans "a sixth," from sex "six" (see six). So called because the sextans has a graduated arc equal to a sixth part of a circle.
- 1. Sextant can be used for exploration and navigation .
- 2. To navigate , they must fix their sextant on something concrete.
- 要行动, 就必须要立足于某个坚实的事物上.
- 3. Other early instruments included the sextant and the astrolabe.
- 4. Sextant once played a very important role in navigation.
- 5. Sextant can be used for exploration and navigation.
[ sextant 造句 ]