On the estimates of David Crystal, a British expert, some 350m people speak English as their first language.

据英国专家大卫·克莱斯特估计，有3亿5千万人把英语作为第一语言。

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David Crystal is a British linguist who has written more than 100 books, including the book "Language and the Internet."

大卫·克里斯托是英国的一名语言学家，他已经写了100多本书，包括《语言和互联网》。

youdao

David Crystal is a British linguist who has written more than 100 books, including the book "Language and the Internet."

大卫·克里斯托是英国的一名语言学家，他已经写了100多本书，包括《语言和互联网》。

youdao