sundial
n. 日晷，日规；羽扇豆（产于美国东部）
复数 sundials
例句
On cloudy days or at night it was impossible to tell the time with a sun clock or a sundial.
在阴天或晚上，无法用太阳钟或日晷看出时间。
A sundial showed very precise time.
日晷上显示的时间非常精确。
A close up of the sundial which is very accurate, by the way.
日晷的近景，它走时非常精确。
