中英词典查询

gnomon ['noʊmɒn]

n. （日晷的）指时针;

例句:

  • Sundials display the time with a single hand called a gnomon.
    来自WSJ
  • In all cases the gnomon lies in the plane of the meridian.
    表始终都处于子午面内.
  • The gnomon - and - ruler indicates the time by the length of the shadow of stylus in the sun.
    圭表是利用太阳射影的长短来判断时间的.