六分仪的用法和样例：
例句
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我 ... 找到一个六分仪。“好啦！”我说，“他们就是用这个测定太阳的高度。”
I ... found a sextant ... "Now, " I said, "they take the sun through this thing." -
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
A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies.
