阿拉伯骆驼的背部中间只有一峰。
The Arabian camel has only one hump in the middle of its back.
中亚的双峰骆驼有两个驼峰，阿拉伯骆驼只有一个驼峰。
The Bactrian camel of Central Aaia has two humps. The Arabian camel has one hump.
这种动物叫阿拉伯骆驼，一种腿长、背上长着一个大驼峰的动物。
This animal is called the Arabian camel, a long-legged beast with one large hump on its back.
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