PinYin Review I

PinYin review information retrieved from www.learningchinese.org.

PinYin Review I:

a	发音时，口大开，舌位低、舌头居中央，唇形呈自然张开状。
	Open your mouth wide, with your tongue in the middle in a low position; the lips are naturally opened.
o	发音时，口半闭，舌位半高，舌头后缩，双唇拢圆。
	Half-close your mouth with the tongue in a half-high position; draw back your tongue and make your lips round-shaped.
e	发音时，在发o的基础上，双唇自然展开，舌位的前后、高低不变。
	After pronouncing "o", naturally open up your mouth and keep the tongue's position unchanged.
i	发音时，舌位最高，口腔开口度很小，唇形呈扁平状，舌头前伸使舌尖抵住下齿背，双唇展开。
	When pronoucing "i", the tongue is in the highest position, the mouth is slightly opened and the lips are flat-shaped. Stretch forward your tongue, put it against the back of the lower teeth and open up your lips.
u	发音时，舌位最高，口腔开口度很小，双唇拢圆，舌头后缩，使舌根接近软腭。
	When pronoucing "u", the tongue is in the highest position and the mouth is slightly opened. Make your lips round-shaped, draw back your tongue and make the tongue root approach the soft palate.
ü	发音时，在发i的基础上拢圆双唇即可，舌的前后高低不变。
	After pronoucing "i", just make your lips round-shaped to　pronounce "ü", with the tongue position unchanged.