释义 |
sun·dialBrE /ˈsʌndaɪəl/NAmE /ˈsʌndaɪəl/ nouna device used outdoors, especially in the past, for telling the time when the sun is shining. A pointed piece of metal throws a shadow on a flat surface that is marked with the hours like a clock, and the shadow moves around as the sun moves across the sky 日晷 |