【河源湖】
source lake河源湖;
rivulet小溪;
creek, brook小河;
canyon, gorge峡谷;
waterfalls瀑布;
tributaries, streams支流;
ait江心岛;
swamp沼泽;
flood land河滩地;
main channe 主水道;
islands岛;
distributaries分流;
delta三角洲;
sand bar 沙洲;
cross section of river河流断面;
source lake河源湖;
rivulet小溪;
creek, brook小河;
canyon, gorge峡谷;
waterfalls瀑布;
tributaries, streams支流;
ait江心岛;
swamp沼泽;
flood land河滩地;
main channe 主水道;
islands岛;
distributaries分流;
delta三角洲;
sand bar 沙洲;
cross section of river河流断面;
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