Sundials have been around for centuries because are accurate and easy to make.
人类已使用日晷好几个世纪，因为它们精准又容易制造。
Ancient Chinese people measured time with sundials.
中国古代使用日规计量时间。
For many years sundials have cast their spell over scientists and mathematicians.
多年来, 日晷一直吸引着科学家和数学家们。
Churchyards often have sundials in them.
教堂大院里通常设置日晷。
The sundials nocturnal counterpart, the water clock, was designed to measure temporal hours at night.
到了晚上，则用水钟取代日晷，量测晚上的真时。
Sundials on houses and in gardens are a very popular decoration today.
如今把日规当作装饰品装在屋上和花园中是非常时髦的。
The earliest sundials still existing today are from Egypt, dating from about 3, 500 years ago.
现今已存最古老得日晷可以追溯到3500年前得古埃及。
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