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They contrasted beautifully with the red soil formations and columbian blue sky .

它们与红土地层和哥伦比亚的蓝天形成了美丽动人的对比。

Did the columbian exchange cause chattel slavery in the americas ?

哥伦布大交换导致传统奴隶制度在美洲盛行？

But the downside of the ongoing columbian exchange is equally stark .

不过如今还在进行中的哥伦布大交换所带来的负面结果也很触目惊心。

All of these questions are tied in crucial ways to the columbian exchange .

上述问题的答案都与“哥伦布大交换”有着千丝万缕的联系。

Bomb blasts kill 15 people as columbian president takes office .

哥伦比亚总统就职发生炸弹爆炸十五人死亡。