[ 复数 sundials ]
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以上来源于: WordNet
N-COUNT A sundial is a device used for telling the time when the sun is shining. The shadow of an upright rod falls onto a flat surface that is marked with the hours, and points to the correct hour. 日晷
gnomon , solarium
A sundial showed very precise time.
日晷上显示的时间非常精确。
youdao
Other important timekeeping tools include the sundial, the hourglass, the clock and the marine chronometer.
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In December she sent him a letter outlining our terms, including a rewrite of the Sundial bylaws.
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The Sundial is a class, and instructors may establish policies and procedures regarding the content of classes.
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