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pluviose adj.雨的,多雨的(=pluvious)。n.-osi...

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Limestone and dolomite cover about 130 km2 which takes up about 1 / 7 areas of the national land in china . besides , it is pluviose , muggy and damp in there areas , all of these accelerate the karst caves . there are more than 100 , 000 caves and holes under the earth , which consists of a karst caves kingdom in the world 中國石灰巖和白云巖的出露面積約為130km2 ,約占全國總面積的1 7 ,加之雨量充沛,氣候溫熱潮濕,喀斯特較為發育,地下洞穴孔道,計有數十萬個之多,成為世界上的洞穴王國。