gnomon
英[\'nəʊmɒn]
美[\'noʊmɒn]
基本释义
- n.
- （日晷的）指时针
实用例句
In all cases the gnomon lies in the plane of the meridian.
表始终都处于子午面内.
辞典例句
英英释义
Noun
1. indicator provided by the stationary arm whose shadow indicates the time on the sundial