求翻译：窑洞，是中国北方黄土高原上特有的民居形式，中华民族的祖先就是在窑洞中生存、繁衍和壮大起来的。窑洞分土窑洞、石窑洞、砖窑洞、土基子窑洞、柳椽柳巴子窑洞和接口子窑洞多种。 窑洞是黄土高原的产物，陕北农民的象征。是什么意思？

Cave, on the Loess Plateau in northern China's unique form of residential areas, the ancestors of the Chinese nation is to survive in the cave, multiply and grow up. Cave cave sub-soil, stone cave, brick hole, earth-based sub-cave, Liu Chuan Liu and interface sub-Pakistan sub-cave cave variety. Cave

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The cave dwelling, is north part of China on the loess plateau the unique common people residence form, Chinese nation's ancestor is survives in the cave dwelling, multiplies and expands.The cave dwelling divides the earth cave dwelling, the stone cave dwelling, the brick cave dwelling, the earthen

Caves, is specific to residential houses in the loess plateau in northern China, ancestor of the Chinese nation is to survive, reproduce and grow up in a cave. Cave soil cave dwellings, stone caves, brick caves, study child caves, Liu Chuan Liu Bazi caves and interfaces, cave dwelling variety. Cave

Cave, on the Loess Plateau in northern China's unique form of residential areas, the ancestors of the Chinese nation is to survive in the cave, multiply and grow up. Cave cave sub-soil, stone cave, brick hole, earth-based sub-cave, Liu Chuan Liu and interface sub-Pakistan sub-cave cave variety. Cave