Where 50-kilogram king salmon once fought their way up waterfalls to lay their eggs in gravel beds, there now are only concrete walls holding back still water and deep beds of muddy deposits.

50公斤重的大马哈鱼王曾经奋力爬上瀑布，把卵产在砾石床上，现在只有混凝土墙挡住静止的水和深深的泥床。

youdao

The still water of the lake mirrored the shapely figure of the mountain.

平静的湖水映出山的优美轮廓。

《新英汉大辞典》

Still water run deep.

静水常深。

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The NASA team still is not sure how much of what they have found is water and how much is hydroxyl.

VOA: special.2009.09.30

That no longer the custom. But we still get inhot water.

VOA: special.2009.05.10

The resting plants have no leaves but still need water.

VOA: special.2010.06.15

In the story, he catches sight of himself in the forest pool and becomes transfixed by the image the still water reflects back.

BBC: Viewpoint: In defence of narcissism

Mr. KOSSA-RIENZI: We took off the bottled still water last summer.

NPR: At Chez Panisse, It's Time for Tap Water

Hitherto in their lives they had seen themselves in looking glasses and hand mirrors, in the backs of spoons, and, dimly, in clear still water.

NEWYORKER: The Limner