跟李老师学英语——大话音标3之双元音（成人零基础英语）
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13) [ei]
发音字母a ay ea ai ey
单词举例： name cake late plane April
play say may way
great break
rain paint plain
they grey
14) [ai]发音字母 i y
单词举例：bike fine find nine light night
my try fly eye
15) [au] 字母组合：ou ow
单词举例：house out ground sound loud around mouse flower down now cow how
16)[əʊ] 发音字母:o ow oa
[əu] 单词举例: home cold go no
know low below grow show
boat coat goal
17) [ ɔɪ ]字母组合: oy oi
[ɔi]单词举例: boy toy
oil soil voice choice
18) [Iə] 字母组合：eer ear
[iə] 单词举例：beer deer
ear near idea
19) [ɛə]字母组合: ear air ere
[eə] 单词举例：pear bear
chairair fair
there wherecare
20)[ʊə]字母组合: ure
[uə]单词举例：sure