The whole thing at the bottom of the cage is one clever animal.

在笼子底儿上的整个这个东西，是一种非常聪明的动物。

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They had an old birds cage, and it had a jar at the bottom.

他们有一个旧的鸟笼子，笼子底部有一个瓶子。

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They had an old birds cage, and it had a jar at the bottom.

他们有一个旧的鸟笼子，笼子底部有一个瓶子。

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