在哥伦布发现美洲大陆之前，大洋洲无可争议地存在着一种在新大陆被驯化的红薯，它有时被用来支持 Heyerdahl 的“太平洋上的美洲印第安人”理论。

The undisputed pre-Columbian presence in Oceania of the sweet potato, which is a New World domesticate, has sometimes been used to support Heyerdahl's "American Indians in the Pacific" theories.

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用干热浴发汗的方式是古罗马优先使用的，而哥伦布发现美洲大陆前的美洲人则使用发汗小屋。

Dry heat and steam baths had advocates in ancient Rome and 'pre-Columbian Americans used sweat lodges.

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一楼层专门展示安特卫普的最新收藏：哥伦布发现美洲大陆前藏品的保罗和多拉·詹森-艺术品珍藏，其中包括玉器。陶器、黄金饰品和纺织品。

One floor is devoted to Antwerp's most recent acquisition: Paul and Dora Janssen-Arts's exceptional collection of pre-Columbian objects, which includes jades, terracottas, gold ornaments and textiles.

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You can see in the New World with maize being important how America has become a corn dominated society, even though it's still true that we raise wheat, we raise other things in the United States, and we can import different foods, corn has become an incredibly important constituent of the diet in the U.S.

你能发现玉米在美洲大陆的重要性,那美洲是怎样变成主食玉米的社会的呢,尽管我们仍然种植小麦,在美国也种植其他粮食,而且我们能进口各种不同食物,但是玉米还是变成了,美国人食谱中不可代替的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选