flow

13 篇文章
Variations in water flow and the air currents
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Variations in water flow and the air currents 水流和气流的变化

variations flow currents air water in the and
Rivers that flow over limestone often seem to completely disappear.
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Rivers that flow over limestone often seem to completely disappear. 流经石灰岩的河川 到最后似乎总是无影无踪

often limestone flow rivers seem completely disappear that to over
rivers broaden and flow wearily across their flat flood plains.
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rivers broaden and flow wearily across their flat flood plains. 河道变宽 河水缓缓流过 平坦辽阔的冲积平原

wearily flow broaden plains rivers flat flood across their and