vowel
Vowel, also known as vowel, is a kind of phoneme, and consonants relative. The vowel is a sound that is emitted by the air flow through the mouth without being hindered during the pronunciation. At the time of the vowel, the airflow from the lungs through the glottis of the vocal cords, so that the vocal cords issued a uniform vibration, and then the sound of the air flow through the mouth, nose, through the tongue, lip adjustment and issued a different sound. When the vowel vowel must vibrate, this is called voiced. And some of the language vowels do not vibrate when the vowel, issued voiceless vowel (voiceless vowel). Vowels do not correspond to vowels in all languages, and some combinations of vowels can also represent special vowels, such as some vowels in Chinese; some vowels in some languages In some cases do not pronounce, such as the French vowel letter "e" at the end of the word. The vowels are divided into two categories: the tongue vowels and the tongue vowels. Most of the vowels are tongue vowels, such as the international phonetic, ,,,, and so on, and many Chinese dialects in a number of other language in the tongue is very rare vowel, pronounced tongue tension, including flat tongue (Or tongue tip), such as the Chinese phonetic zi, ci, si of the finals, and Alice tongue sound (or volume tongue sounds, tongue after the sound) such as the Chinese phonetic zhi, chi, shi, ri vowels. ...