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1·We speak a decimal language because an ancestral tongue, proto-Indo-European, was decimally based.

我们说的是十进制的语言，这是因为我们的始祖语言——原始印欧语——是基于十进制的。

2·The scholars referred to that source language as Proto-Indo-European. Proto-Indo-European is a reconstructed language.

学者们把这种源语言称为原始印欧语。原始印欧语是一种重建的语言。

3·Proto-Indo-European is a reconstructed language, meaning, it is what linguists concluded a parent language of Sanskrit, Latin and Greek would have to be like.

原始印欧语是一门经过重构得出的语言，也就是说，这就是语言学家总结出梵语、拉丁语和希腊语的母系语言的样子。

4·Experts say the people in that area spoke a language called Proto-Indo-European.

专家说那个地区的人使用一种叫做古印欧语的语言。

5·Several of the chants on Shaman Dancing are based on the ancient Proto-Indo-European (PIE) language.

个别撒满舞蹈时伴奏的圣歌是基于一种远古语言——原始印欧语(PIE)。

6·Yet, Proto - Indo - European is believed to be the ancestor of most European languages.

但是印欧语系被认为是大多数欧洲语言的祖先。