日晷是移動部件(moving parts)最少的時間裝置(timepiece), 那麼最多移動部件的時間裝置是什麼?
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A sundial has the fewest moving parts of any timepiece. Which has the most?
Answer: An hourglass—It has thousands of grains of sand.
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答案:
沙漏, 因為它有數不清的砂子.
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