一只好奇的海豹从水中探出头来看着我们。

A curious seal popped its head out of the water to look at us.

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A curious seal popped its head out of the water to look at us.

seal 是名词,指"海豹",一种生活在海洋中的哺乳动物,身体呈流线型,四肢演化成鳍状,善于游泳。

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