Dolphins first trap small fish in large conch shells with their rostrums (beaks). They then bring the shells to the surface and shake them.

海豚先用它们的吻突将小鱼赶到大海螺壳中，然后将螺壳带出水面并晃动。

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Dolphins first trap small fish in large conch shells with their rostrums (beaks). They then bring the shells to the surface and shake them.

海豚先用它们的吻突将小鱼赶到大海螺壳中，然后将螺壳带出水面并晃动。

youdao