1. This thesis presents a research on recognizing the retroflex and non- retroflex speech sounds for Mandarin Chinese.

2. The "retroflex" position may involve retroflexion, or curling the tongue to make the contact with the underside of the tip, or merely retraction.

3. It is used to represent a voiceless retroflex plosive in the International Phonetic Alphabet, and is used some alphabets of African languages.

4. One of these features is the appearance of retroflex consonants in Indian languages, both Indo-European and Dravidian .

5. Retroflex suffixation in Chinese is a phenomenon of syllable merger.

6. The retroflex suffixation of Jilin City dialect has a wider distribution in the parts of speech and has its unique usages.

7. Retroflex suffixation of place names is a very common phenomenon in Beijing.

8. Old Retroflex Suffixation said: "The family has an old, a treasure."

9. Her words sound a little retroflex , they are quite pleasant to hear.

10. But the Qian'an dialect hasn't retroflex finals, this phonetic feature and other factors make it's r-ending retroflexion compared with ther-ending retroflexion in Beijing demonstrate own feature.

11. There are conversions between highlight apical intermediary tone , apical make tongue sideapical retroflex and so on.

12. Based on these considerations, to begin with, a systematic assumption made concerning the underlying representation of the vowel inventory and segmental structure of the retroflex suffix is given.

12. try its best to gather and build good sentences.

13. Because the English sound pronunciation strength is small, approaches with Chinese, also does not have a more difficult retroflex, the Chinese student study England sound to want easy.

14. Indian accents can be characterized by the fact that speakers retroflex their consonants.