李先生是研究语言与心理的研究生，他并不是一位历史语言学家。

Mr. Lee is a graduate student studying language and the mind, not a historical linguist.

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历史语言学家认为罗斯语系和德语语系由同一种语言演变而来。

Historical linguists posit a common ancestor from which both Romance and Germanic languages descend.

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首批研究成果也让我们看到了一位严谨，用数据说话的历史语言学家的作风。

The first results point the way toward a rigorous, quantitative, historical linguistics.

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Just imagine a philologist being confronted with the idea that the meaning of words at a certain historical moment isn't the only thing that matters in understanding the meaning of a poem.

想象一下，一个语言学家看到一个理论指出,一个字在特定历史阶段的语义,不是影响诗歌意思理解的,唯一因素。

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