威尔士是最古老的语言之一，世界。

Welsh is one of the oldest languages in the world.

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汉语，作为世界上最古老的语言之一，不仅是一种有生命力的表达工具，而且还是根植于民族灵魂与血液的文化符号。

Chinese language, one of the most ancient languages in the world, is not only an instrument, but also a cultural symbol rooted in the soul and blood of the nation.

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Scheme也许是至今仍在使用的最古老的编程语言之一，但它也是最强大的编程语言之一。

Scheme may be one of the oldest programming languages still in use, but it also remains one of the most powerful.

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