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20个元音音素对应元音音素例子：(注意：下面空方括号是不知道怎么输入的音标)
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,
a 与an区别，有一条就是an要跟在元音音素前，而a要跟在辅音音素前。
