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。

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

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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。

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

youdao