学拼音　Pinyin　Lesson 6　　z c s

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z 舌尖前不送气塞擦音。舌尖向前平伸，顶住上齿背，阻住气流，然后下移舌尖，使气流从狭缝中磨擦而出。声带不振动。 An unaspirated voiceless bladealvolar-affricate. It is pronounced by putting forward the tongue to block the air with its tip against the upper teeth ridge, and then dropping the tip to release the air with friction through the narrow passage. The vocal cords do not vibrate. [i]舌尖前元音，不圆唇。只出现在辅音z c s后边。 It is a blade vowel without the lips rounded. It ony follows the consonants "z", "c" or "s".

c 舌尖前送气塞擦音。是与z相对应的关气音。 An aspiratded blade-alveolar affricate. It is an aspirated equivalent of [z]. [i]舌尖前元音，不圆唇。只出现在辅音z c s 后边。 It is a blade vowel without the lips rounded. It ony follows the consonants "z", "c" or "s".

s 舌尖前清擦音。舌尖平伸接近上齿背，形成一条狭缝，气流从狭缝中磨擦而出。 A voiceless blade-alveolar fricative. It is produced by putting forward the tongue tip to a position close to the upper teeth ridge to make a narrow passage for the air to run out through with friction. [i] 舌尖前元音，不圆唇。只出现在辅音z c s后边。 It is a blade vowel without the lips rounded. It ony follows the consonants "z", "c" or "s".