gnomon shadow template

• 圭

gnomon shadow template的用法和样例：

例句

1. As far as in the Spring and Autumn Period 2,500 years ago, our country adopted the methods of tugui to measure the shadow of the sun for determining the twenty-four solar terms.
   早在二千五百多年前的春秋时代，我国已经用土圭观测太阳测定出冬至来了，它是二十四节气中最早制订出的一个。