1. The potato is indigenous to South America.
   土豆产于南美。
2. North America is connected with South America by the Isthmus of Panama.
   巴拿马海峡把北美同南美连接起来。
3. Some of the mountains in South America have not yet been mapped out.
   南美洲的一些山脉尚未在地图上标出来。
4. In South America, a weedy corn relative, teosinte, dresses the edges of domesticated cornfields.
   在南美洲的玉米田周围，长著它们的野生亲戚，蜀黍。
5. Evergreen ornamental and timber conifer (Araucaria araucana) of the family Araucariaceae, native to the Andes Mountains of South America.
   南洋杉科常绿乔木，学名为Araucaria araucana。可供观赏和材用，原产南美安地斯山脉。
6. Venezuelan president Hugo Chavez who called for a joint statement condemning the Colombian proposal said the bases could destabilize the region.Our South America correspondent Candace Piette reports.
   委瑞内拉总统HugoChavez呼吁共同发表声明谴责哥伦比亚，称其做法会影响南美洲地区的安定。
7. According to Shanon, he drank a potion prepared from a species of acacia while he was in South America, which caused similar experiences to those produced by the ayahuasca.
   他续称，圣经中描述了「摩西因与神亲近而面容发光」，但这亦可能只是服用迷幻植物后出现的流汗现象。

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