George Washington Carver and Thomas Alva Edison were American scientists who were born during the nineteenth century.
乔治.华盛
.
和托马斯.阿尔瓦.爱迪生是
九世纪诞生的美国科学家。
（美国第一位总统）George Washington Carver and Thomas Alva Edison were American scientists who were born during the nineteenth century.
乔治.华盛.和托马斯.阿尔瓦.爱迪生是九世纪诞生的美国科学家。
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