猪流感首先到达智利，随后，跨越安第斯山脉出现在阿根廷境内。
It came first to Chile before it turned up across the Andes in Argentina.
遗传学基因证据表明，世界上所有其他非非洲裔种族的祖先，都是60，000年前跨越红海海峡，从现今的吉布提到达也门（再四散分布于世界各地）的。
Genetic evidence suggests that the ancestors of every non-African in this world crossed the narrows of the Red Sea, from modern Djibouti to Yemen, only 60,000 years ago.
这种无视力，无脚的蜥蜴可能源于美洲，但其在五千五百万年前跨越白令海峡到达亚洲。
The blind variety of legless lizard likely originated in the Americas, but some 55 million years ago they slithered across the Bering Strait and into Asia.
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