以元音音素开头的字母:
A a [ei] E e [i:] I i [ai] O o [əu] F f [ef] M m [em] N n [en] S s [es]
X x [eks] L l [el] H h [eit∫] R r [ɑdu:]
12个单元音zhi:dao
短元音[əe] [e] [i] [כ] [ ] [u] [ə]
长元音 [i:] [כ:] [a:] [u:] [ə:]
8个双元音: [ei] [ai] [əu] [au] [כi] [iə] [eə]  [uə]
20个元音音素对应元音音素例词:
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) [ ɔ] hot, want
6) [ ɔ:] door, more, sport, ball, warm, author, court, bought, caught
7) [u:] who, blue, soup
8) [u] look, put, woman, could
9)[a:] car, fast, class, plant, calm, aunt
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