Camels are strong beasts of burden to them.

骆驼对他们来讲是非常强壮的驮兽.

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Water buffaloes are also beasts of burden.

水牛也是一种役畜.

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Donkeys are still used in some parts of the world as beasts of burden.

驴在世界上某些地方仍然还被用作驮货的牲畜.

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In those days, the labouring people lived no better than beasts of burden.

在那些日子里, 劳动人民过着牛马般(牛马不如)的生活.

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