How to pronounce ai phonetic symbol play online?

/a？ /is the opening and closing sound diphthongs, the old British phonetic symbol [ai], and the American English phonetic symbol is also [a? ]。

Phonetic consonants: where/θ/and/? /These two phonetic symbols, which have no similar pinyin to correspond to, are mainly memorized by mouth shape. /θ/―― The upper and lower teeth bite the tip of the tongue and make a "Si" sound; /? /-Phonetic symbol Z is pronounced on the tip of the tongue; /? /-division; /? /-When the teeth are closed, the tongue touches the teeth, and the pinyin R is pronounced.

Phonetic symbols have the following characteristics and advantages:

Remember the sound accurately. The International Phonetic Alphabet is a sound, a symbol and a sound. That is, a phoneme is only represented by a symbol, and a symbol can only represent a fixed phoneme. For example, "pa, zhang, ai, ian" in Chinese pinyin.

These four A's are actually four different phonemes, but they are all represented by one letter A. The IPA uses (or) four different letters to represent these different phonemes, and only A is used to represent the phonemes composed of these phonemes. Another example is the I in Chinese Pinyin, which stands for three phonemes. The International Phonetic Alphabet is represented by three different symbols I, I and I, and I represents the phoneme composed of these three phonemes.