dam up

基本解释

While we dam up one source of influence, a dozen others will open…
当我们抑制影响的一个来源时，一打其它人将打开…
Afterwards some of us go canoeing out to the beavers' dam up the creek while the big guys stick around the camp to fish.
早餐后，我和一些人去划船，划到小河上游的海狸坝；大汉们则留在营地附近钓鱼。

The surge came from a sudden release by a hydropower dam further up the river in the North's territory.

If it is too high, the water spills over even when the dam is up.
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When its technocrats decide to dam a river, build a road or move a village, the dam goes up, the road goes down and the village disappears.
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In 1987 it threatened to cut the flow off, and in 1990 it did so, for a month, to allow the lake behind its giant Ataturk Dam to fill up.
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