These contradictory versions arise because rulers and clocks—the things that mark time and space—are not the same for different observers.
之所以有这样矛盾的观点，这是因为“标尺”和“时钟”——它们标志着事件所在的时间和空间，它们对于不同的观察者来说是不一样的。
That ' s called " rigui, " a design in ancient china to mark time, using the movement of the pillar ' s shade under the sunshine.
那个叫「日晷」 ，是中国古代利用太阳投射的影子来测量时间的一种装置。
A countdown calendar is one way to mark time from the present to an important event in the future.
倒计时日历是标明从现在到未来的重要事件还有多少时间的一种方法。
A countdown calendar is one way to mark time from the present to an important event in the future.
倒计时日历是标明从现在到未来的重要事件还有多少时间的一种方法。
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