传统观点认为，最初定居美洲的古人类大约在一万一千年前跨越西伯利亚与阿拉斯加州之间的大陆桥抵达美洲。
The traditional view is that the continent's early settlers arrived around 11, 000 years ago, by crossing a land bridge between Siberia and Alaska.
传统观点认为，最初定居美洲的古人类大约在一万一千年前跨越西伯利亚与阿拉斯加州之间的大陆桥抵达美洲。
The traditional view is that the continent's early settlers arrived around 11,000 years ago, by crossing a land bridge between Siberia and Alaska.
蝮亚科（pitvipers）起源于中国，是通过连接西伯利亚东北部与阿拉斯加的古陆桥而扩散到美洲的一大类高等的毒蛇。
The pit vipers are a large group of advanced venomous snakes that evolutionarily arose in china but spread to the new world across an ancient land bridge connecting northeastern siberia with alaska.
“西伯利亚大陆桥”在我国经贸运输中已经起过重要作用。
In our country, "The Siberian Continental Bridge" has played an important role in foreign trade transportation.
“西伯利亚大陆桥”在我国经贸运输中已经起过重要作用。
In our country, "The Siberian Continental Bridge" has played an important role in foreign trade transportation.
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