他们可能认为海洋只是另一个可以靠游泳克服的障碍。

They may assume that the sea is just another such swimmable obstacle.

youdao

他们可以绕岛健行或在海洋里游泳。

They may go hiking around the island, or swimming in the ocean.

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他们可以在海里游泳和跳跃。

They can swim and jump in the ocean.

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他们可以去游泳，登山或划船。

They can go swimming, mountain climbing or boating.

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他们可以自由地游泳就像鱼一样。

They can swim as freely as fish.

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他们在那里游泳，他们可以做当然，学习潜水鱼。

There they swim, which they can do naturally, and learn to dive for fish.

youdao

他们在那里游泳，他们可以做当然，学习潜水鱼。

There they swim, which they can do naturally, and learn to dive for fish.

youdao