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有这样一个故事: 一位旅行者来到一座古老、美丽的城市,发现该城每到中午都要放“午炮”,炮声告诉人们:时值正午.旅行者找到炮手,问道:“你根据什么来放午炮?”炮手回答:“当钟表店里的钟指到
There is such a story: A traveler came to an ancient, beautiful city and found that the city had to put a “noon gun” every noon. The cannons told people that it was noon. The traveller found the gunner and asked: " What did you put on the cannon?” the gunner replied: “When the clock in the watch shop