Anything at or just below the surface of the seabed-the benthic zone, in fishery parlance-gets dragged up.

海底或仅仅在海底表面下一点，用渔业的说法，就是深海底栖带，任何生活在这里的生物都会被拖上来。

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Unfortunately, the cloud contains a lot of other stuff. Anything at or just below the surface of the seabed-the benthic zone, in fishery parlance-gets dragged up.

可惜，拖网还带上来很多生活在深海区海床表面或下面的其他生物，渔业术语叫做一网打尽。

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Embankment shell variety, mostly for the intertidal zone or shallow seabed sediment mollusc species present health.

堤上贝壳种类丰富，多为潮间带或浅海泥沙海底软体动物的现生种属。

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