4周搞定2000+托福核心词
走廊
corridor
常考释义
The first water craft theory about the migration was that around 11,000-12,000 years ago there was an ice-free corridor stretching from eastern Beringia to the areas of North America south of the great northern glaciers.
关于这些迁徙的第一个水路理论表明，大概在11000到12000年前，有一个不冻的走廊。
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