1·The tight race is almost a duplicate of the elections in Georgia and South Dakota last month that pitted a Republican challenger against a Democratic incumbent.
这次紧张的竞选几乎是上个月在佐治亚州和南达科他州选举的翻版，由一个共和党的挑战者竞争一个现任的民主党人。
—— 《柯林斯英汉双解大词典》
2·In Indiana, Iowa and South Dakota, the multiracial population increased by about 70 percent.
在印第安纳州，洛瓦和南达科他州，混血人口增加了大约70%。
3·South Dakota has the fifth-lowest population in the country and, along with that, its pollution is relatively low.
南达科他州拥有美国第五低的人口数，因而，人口数相对来说低。
4·Obama claimed victory as the primary election season came to an end, with contests in Montana and South Dakota.
奥巴马宣布胜利是在蒙塔那州和南达科他州这最后两个州初选结束之际，也标志着全国初选季节的结束。
5·I've told you before about Florence Steen of South Dakota, who was 88 years old, and insisted that her daughter bring an absentee ballot to her hospice bedside.
我在之前提到过来自南达科他州的88岁的Florence Steen，坚持让他的女儿带一张缺席选举人票到她的床边。