所有的游客都能得到免费的俄语和普通话语音指南。
All visitors receive the free audio guide in Russian and Mandarin.
目的研究腭裂患者发普通话语音的特点。
Objective To study the features of cleft palate speech in Mandarin.
普通话语音系统受对立统一规律的制约，处处体现出对称美。
Restricted by the law of the unity of opposites, the phonetics system of Putonghua reflects the beauty of symmetry everywhere.
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