那条河侵蚀河岸直到一条新的河道形成。

The river frets at its banks until a new channel is formed.

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你可以从这里看到河岸是怎样被侵蚀掉的。

You can see from here how the river bank is eaten away.

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河岸正在慢慢地被侵蚀掉。

The river bank is slowly being eaten away.

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那条河侵蚀河岸直到形成一条新的河道。

The bed of a river is partly worn away by corrosive action.

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那条河侵蚀河岸直到形成一条新的河道。

The bed of a river is partly worn away by corrosive action.

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