Pitch variations can distinguish meaning just like phonemes; therefore, the tone is a suprasegmental feature.

音高变化可以象音位一样区别意义，因此，声调也是一个超切分特征。

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Meanwhile, it includes the problems when teaching pronunciation and provides a way to improve students oral English from the point of suprasegmental feature: pitch, loudness, tempo and voice quality.

并探讨了讲授语音时要注意的问题及其相关的启示，即从超语段特征即音高、响度，语速和音质的角度论述了提高英语口语的新途径。

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