Water clock : or clepsydra , Ancient device for measuring time by the gradual flow of water.
水钟,亦称漏壶,利用水的流动计时的古代时钟.
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Symmetrically standing on the right hand side is a huge water clock made in 1799.
对称的站在右手边的是1799年制造的巨大的水钟.
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This cultural relic is a copper water-clock that was used to keep time in ancient times.
这件文物是古代用来计时的铜壶.
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以水为动力,集浑仪、浑象、报时装置于一体,是世界上最早的天文钟。
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