She speaks a dialect, not the Queen's English.

她说一口方言, 不是标准英语.

辞典例句

What is the Queen's English?

什么是英语普通话?

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She can speak Queen's English fluently.

她能说一口流利的标准.

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She can speak the Queen's English fluently.

她能说一口流利的标准英语.

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