sundials造句

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.

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.

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