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Each year, fall in the North Central region is accompanied by the brilliant colors of the leaves on thetrees, followed quickly by the falling leaves a 阅读全文
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Before being an ubiquous communications gadget, a mobilewas just a structure made of strings and wires suspendingcolourfull things. This kind of mobil 阅读全文
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Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Generally s 阅读全文