20个元音音素分别是哪些?

20个元音音素对应元音音素例子： 　　1) [i:] sea, he, see, piece, ceiling 　　2) [i]sit, build, miss, myth 　　3) [e] bed, desk, head, 　　4) [ ae] bad, land, bank, stamp (a和e中间是连起来的) 　　5) [a:] car, fast, class, plant, calm, aunt 　　6) [ ɔ] hot, want 　　7) [ ɔ:] door, more, sport, ball, warm, author, court, bought, caught 　　8) [u:] good, who, blue, soup, 　　9) [u] look, put, women, could 　　10) [ ʌ] cup, come, blood, rough 　　11) [ ə:] girl, work, serve, nurse 　　12) [ə] cadre, ago, forget, polite, dollar, doctor, famous, Saturday 　　13) [ei] cake, they, play, eight, great, 　　14) [ai] bike, die, neither, light, try, find, height, eye 　　15) [əu] phone, cold, boat, soul, grow 　　16) [au] house, town 　　17) [ɔi] boy, oil 　　18) [iə] dear, idea, deer, here, fierce, 　　19) [ɛə] pear, care, there, fair 　　20) [ uə] tour, poor,

单元音12个
[i:] [i] [e] [ ae] [a:] [ ɔ] [ ɔ:] [u:] [u] [ ʌ] [ ə:] [ə ]
双元音8个：
[ei][ai][əu ] [au] [ɔi ] [iə ][ɛə ] [ uə]

单元音12个如下1) [i:] sea,he,see,piece,ceiling 2) [i]sit,build,miss,myth 3) [e] bed,desk,head,4) [ ae] bad,land,bank,stamp (a和e中间是连起来的) 5) [a:] car,fast,class,plant,calm,aunt 6) [ ɔ] hot,...