And so, we can see, on an individual block level or set of block levels, what parts of the community are overly impacted by these particular sources.

因此，我们可以看到，在单个区块级别或一组区块级别上，社区的哪些部分受到这些特定来源的过度影响。

While the gates could always just theoretically be raised to block out rising sea levels, they could only do so by raising the gate so often that they probably just end up functioning more as a near-permanent wall.

虽然从理论上讲，闸门总是可以升起来阻挡海平面上升，但只有通过频繁地升起闸门才能阻挡海平面上升，那它们最终可能更像是一堵近乎永久伫立的墙。

The proposal calls for the construction of a series of colossal dams around the perimeter of the North Sea and the English Channel in order to block the rising sea levels from getting inside and threatening northern Europe.

该方案要求在北海和英吉利海峡周边修建一系列巨型水坝，以阻止不断上升的海平面进入内部并威胁到欧洲北部。