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水体底部的动植物群落。
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水体底部的动植物群落。；包括海底和沿海区域的区域；生活在海底或近海底的生物(植物和动物)；海底；海底生物
The flora and fauna at the bottom of a body of water.
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水体底部的动植物群落。
The flora and fauna at the bottom of a body of water.
包括海底和沿海区域的区域
a region including the bottom of the sea and the littoral zones
生活在海底或近海底的生物(植物和动物)
organisms (plants and animals) that live at or near the bottom of a sea
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