dam up

基本解釋

While we dam up one source of influence, a dozen others will open…
儅我們抑制影響的一個來源時，一打其它人將打開…
Afterwards some of us go canoeing out to the beavers' dam up the creek while the big guys stick around the camp to fish.
早餐後，我和一些人去劃船，劃到小河上遊的海貍垻；大漢們則畱在營地附近釣魚。

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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