The algal blooms, which can be toxic to animals and human swimmers, leave behind an ugly layer of green scum that fouls tourist beaches and starves seaweeds of light.
海面上的赤潮对水里的动物和游泳的人来说都是有毒性的，赤潮藻还会在海面上留下一层难看的绿色浮渣，不但污染了供人旅游的海岸，还遮挡了海草的光线，使其不能生长。
In the scum layer, these fatty materials may be rather remote from the bacteria that are capable of utilizing them.
泡沫层中的脂肪物质离能利用脂肪的细菌相当远。
In the scum layer, these fatty materials may be rather remote from the bacteria that are capable of utilizing them.
泡沫层中的脂肪物质离能利用脂肪的细菌相当远。
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