In that year "a defect at the dam opened the gates, making a toxic layer of hard metals deposited at the bottom of the river come up" to the surface, she said.
就是那年，大坝的门户错误的打开，使得那些原本位于河流底部的有毒重金属层浮到了表面，她继续说道。
2
Basically, the money gained by the top 1 percent seems to have come almost entirely from the bottom 80 percent.
基本上，前1个百分点所获得的钱似乎全部从底部百分之80获得的。
3
But given United Russia's reputed skill at engineering elections, many analysts are not sure that change can come from the bottom up.