Modal words are the most frequently used function words in oral Russian.

在俄语口语中虚词使用频率最高的是语气词.

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Function words are often unstressed in English speech.

英语虚词非重读形式在语流中是一种常见的语音现象.

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Morphology comprises notional words and function words.

词法部分包括实词和虚词.

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Grammatical words also function words: express grammatical meanings and serve to link its different parts together.

语法词(功能词): 表达语法意义,及用来把不同的片段连接在一起.

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Function words are typically reduced in speech, having short duration and low stress.

在口语中冠词往往被省略, 音频较短,音调也较低.

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