青海既是黄河的源头，也是长江的源头。
Qinghai is the source of both the Yellow and Yangtze rivers.
你知道长江的源头吗？
沿着黄河与长江的源头，漂流而下，过壶口，闯关东，走三峡，奔大海。
Along the Yellow River and Yangtze River's source, rafting down, over Hukou into being the East, take the Three Gorges, Ben the sea.
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