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。
"New two pipe method" is a new way to stop the water in deep foundation pit.
“新二管法”是一种新型的深基坑止水方法。
This has to do with the way a deep column of water boils.
这跟地下深处那股水流的沸腾方式有关。
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