大约70种：亚洲热带，北美和南美洲，太平洋群岛；在中国的一种。
About 70 species: tropical Asia, North and South America, Pacific Islands; one species in China.
在北美洲和南美洲发现的许多遗址也描述了专门的工具和普遍的埋葬活动。
Specialized tools and common burial practices have also been described in many sites found throughout North America and into South America.
欧洲在亚洲旁边。北美洲和南美洲是邻居。
Europe is next to Asia. North America and South America are neighbours.
一些学者认为绝大部分原住民居住在中美洲和南美洲，在欧洲人殖民以前，大约只有10%的人住在北美。
Some scholars believe that most of the indigenous population resided in Mesoamerica and South America, with approximately 10 percent residing in North America, prior to European colonization.
北美洲和南美洲有时合称作美洲。
North America and south America are sometimes called Americas.
北美洲和南美洲都在西半球。
North America and South America are in the Western Hemisphere.
卫星图片：地球与月球。图中的大陆为北美洲和南美洲，右边是非洲的一部分。
Satellite PIC: the earth and the moon. the mainland in the diagram is North America and South America, the right side is African one part.
让情况更加复杂的是，法国、希腊以及其他一些国家将北美洲和南美洲简单地划为美洲。
And to make things even more confusing, France and Greece, as well as other countries, classify North America and South America as simply America.
让情况更加复杂的是，法国、希腊以及其他一些国家将北美洲和南美洲简单地划为美洲。
And to make things even more confusing, France and Greece, as well as other countries, classify North America and South America as simply America.
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