But back in the 1960s, paleontologists found a handful of teeth and a jaw on the Pine Ridge Indian Reservation in South Dakota.
但早在 1960 年代，古生物学家就在南达科他州的松树岭印第安人保留地发现了一把牙齿和一个下颚。
Pine Ridge Indian Reservation
原声例句
PBS地球-动物趣闻
英语百科
Pine Ridge Indian Reservation
The Pine Ridge Indian Reservation (Wazí Aháŋhaŋ Oyáŋke in Lakota, also called Pine Ridge Agency) is an Oglala Lakota Native American reservation located in the U.S. state of South Dakota. Originally included within the territory of the Great Sioux Reservation, Pine Ridge was established in 1889 in the southwest corner of South Dakota on the Nebraska border. Today it consists of 3,468.85 sq mi (8,984.306 km) of land area and is the eighth-largest reservation in the United States, larger than Delaware and Rhode Island combined.
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