But this is not the same as being a kind of proto-science.
但是这也并不意味着他们在处理一个科学雏形问题。
In fact, this is a proto type.
实际上它是试制型。
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。
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。
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