Any of several hoofed mammals of the genus Equus, resembling and closely related to the horses but having a smaller build and longer ears, and including the domesticated donkey.

一种有蹄哺乳动物马属，外貌与马相似有亲缘关系，但个子小耳朵长，包括驯养的驴。

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Any of several hoofed mammals of the genus Equus, resembling and closely related to the horses but having a smaller build and longer ears, and including the domesticated donkey.

一种有蹄哺乳动物马属，外貌与马相似有亲缘关系，但个子小耳朵长，包括驯养的驴。

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