如何发音
发音时，舌位、唇形、开口度始终不变的母音叫单母音。单母音发音时可按舌面隆起的位置分为前母音，后母音和中母音三类。发前母音时舌的最高点在口腔的前部；发后母音时，舌的最高点在口腔的后部；发中母音时舌的最高点在口腔的中部。
母音单词
以英语母音为例
单母音前母音: [ɪ] [ i] [ e ] [æ]
中母音: [ə] [a]
后母音: [ʌ], [ ɔ ] [ʊ] [u] [ɑ]
长音[i:] sea, he, see, piece, ceiling, street, beef, these, week, meat, agree
短音[ɪ]sit, build, miss, myth, palace, between, if, give, busy, gym
长音[e] bed, desk, head, anything, many, again, special, heavy, weather, whether, friendly
短音[æ] bad, land, bank, stamp, pal, Canada, taxi
长音[a:] car, fast, class, plant, calm, aunt
短音[ ɔ] hot, want, wallet, wash, what
长音[ ɔ:] door, more, sport, ball, warm, author, court, bought, caught
长音[u:] good, who, blue, soup,
短音[u] look, put, women, could
短音[ ʌ] cup, come, blood, rough
长音[ ə:] girl, work, serve, nurse
短音[ə ] cadre, ago, forget, polite, dollar, doctor, famous, Saturday
单个韵母
汉语国语[1]
拼音：a o e i u ü er
这几个母音音位还有各自的音位变体
e[ɤ] 在i和ü后的实际发音为[ê]
i 在声母jqx后的实际发音为[ɩ]，而在声母zh ch sh r后的实际发音又为[ɿ]
关于韵母er，虽然由两个字母组合而成，但却是卷舌的单母音[ə˞]（舌位没有变化）
