15 篇文章
Cacti are unique to American deserts.
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Cacti are unique to American deserts. 仙人掌是美国沙漠中独一无二的植物

Here, in the American West,
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Here, in the American West, 在美国西部地区

The American conifer forests
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The American conifer forests 美洲的针叶林

In the American Rockies
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In the American Rockies 位于美国的落基山脉

slid beneath the South American continent, buckling its edge.
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slid beneath the South American continent, buckling its edge. 俯冲到南美洲板块之下 造成它的边缘隆起