单词

字典词典单词成语造句名言诗词古籍小说

gnomon

英 ['nəʊmɒn] 美 ['nomɑn]

n. 指时针；日晷

双语例句

1. In all cases the gnomon lies in the plane of the meridian.: 表始终都处于子午面内.

2. 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.