The mandible is longer and narrower than that of cattle, horse and camel.

下颌骨比牛、马、驼窄而长，下颌角钝圆。

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Make sure you book a tour guide before you go and, if you decide on a horse or camel ride, haggle over price beforehand. You may also have to haggle as you try to get off the ride.

在上路前尽可能预约导游，而如果你打算乘马或者骆驼前行，那就要事先讨价还价，有时候在行程结束时还要再讨价还价一番。

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But North America too has given the world its champions, including the dog, camel, and horse families-arguably man's best friends.

北美洲也有它的世界冠军，其中包括狗科、驼科和马科动物——可以说他们是人类的好朋友。

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Stunned, along with the rest of the world, by the horrific incongruity of a modern government using men on horse-and camel-back to attack its own citizens.

FORBES: Trading Peace for Justice in Tahrir Square