基本解释日晷同根派生 sundials相关词英汉例句Churchyards often have sundials in them.教堂大院裡通常設置日晷。Inventors created sundials, which indicate time by the length or direction of the sun's shadow, to track temporal hours during the day.儅時的發明家制造了日晷，利用太陽隂影的長度或角度，來測量白天真時的變化。sundials更多例句