Two years ago, a team of linguists plunged into the remote hill country of northeastern India to study little-known languages, many of them unwritten and in danger of falling out of use.
两年前，一组由语言学家组成的考察队挺进印度东北部的偏远山区对那里鲜为人知的语言进行研究，其中许多语言由于没有文字形式正面临着荒废的危险。
Those languages are in danger of dying off.
那些语言正处于消亡的危险之中。
Already almost all Californian Native American languages are in danger of extinction.
几乎所有加州当地的美洲土语已有消失之虞。
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