| 词汇 | water-clock |
| 释义 | water clock noun[ C ] (alsowaterclock, water-clock)uk /ˈwɔː.tə ˌklɒk/ us /ˈwɑː.t̬ɚ ˌklɑːk/ in the past, a type of clock that used flowing water to measure time: （旧时利用水流计时的）水钟，漏壶 The water clock measured time as a result of the force of water falling through it at a constant rate.水钟通过水以恒定速率流过它的力量来测量时间。 The most accurate timekeeping devices of the ancient world were the waterclock or clepsydra, first found in Egypt.古代世界最准确的计时装置是水钟或漏壶，最早出现在埃及。 Synonym clepsydra Ancient Chinese astronomers used water clocks, which kept time by dripping water into a container at a constant rate. The limitations of water clocks had long been recognized in northern Europe: among other difficulties the water usually froze in winter. While never reaching the level of accuracy based on today's standards of timekeeping, the water clock was the most accurate and commonly used timekeeping device for millennia. Many historians believe that the building contained a water clock that was hydraulically powered with water flowing down the steep Acropolis hill. A watch of two or three men on the deck looked after the trimming of the sails and called out the hours by the water-clock. Watches & clocks 24-hour clock against the clockidiom alarm alarm clock at/on the stroke of somethingidiom atomic clock clock horology hour hand hourglass lose military time minute hand movement stroke timekeeper timepiece turn the clocks backphrase twenty-four-hour clock unsynchronized |
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