常识“三音石”是什么意思，起源、典故、生平简介及释义-历史文化

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常识	三音石
释义	三音石北京天坛回音壁围墙正中的一块石头。位于皇穹宇的石阶往南的第三块，又正好处在围墙中心。站在此石上鼓掌一次，可听到回响达三次，甚至多次。其因乃位于围墙正中的声音能等距离地反复为凹面墙反射回正中的结果。
随便看	师宗县（丹凤镇）师宪师容之师尚父师尼师山师山后学师岩师岳叟师川师庙师德师忠师文师旦师昌绪师是师晦师景云师曼师朗师望师朴师机师李 (as) naked as a jaybird as naked as the day he was born as naked as the day I was born as naked as the day (one) was born as naked as the day one was born as naked as the day she was born as naked as the day they were born as naked as the day was born as naked as the day we were born as naked as the day you were born 忠祐寺忠烈祠钟错钟鼓楼钟鼓岩钟灵禅寺钟楼钟楼、鼓楼钟山风景名胜区钟山风景名胜区海底世界西藏旅游注意事项日喀则交通攻略林芝交通攻略拉萨美食攻略西藏旅游攻略纳木错旅行攻略大昭寺旅行攻略雅鲁藏布大峡谷旅游攻略阿里旅行攻略北海6日自由行攻略水世界日本Q饼小白桦酒家上味馆南翔小笼(杏山路店) 满福阁锅比盆大外婆乡村菜秦旺阁豪牛士千岛湖手抓小龙虾(浦东店) 圆苑酒家(梅龙镇店) 湖南湘宏土菜

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