因为自然课得的。老师问我鸵鸟有几条腿，我说有三条。
For natural history. Teacher asked me how many legs an ostrich has, and I said three.
因为自然史。老师问我鸵鸟有几条腿，我说有三条。
For natural history. Teacher asked me how many legs an ostrich has and I said three.
因为自然史。老师问我鸵鸟有几条腿，我说有三条。
For natural history. Teacher asked me how many legs an ostrich has and I said three.
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