Today, i will introduce the sea dog to you.

今天，我为大家介绍一下海豹。

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Tom followed the dog through a hole at the bottom of the sea.

汤姆跟着小狗穿过海底的一个洞。

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Then a little dog ran after her. She became afraid and went back to the sea.

这时，一条小狗来追逐她，她害怕起来，就回到大海。

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Then a little dog ran after her. She became afraid and went back to the sea.

这时，一条小狗来追逐她，她害怕起来，就回到大海。

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