单元音又分为【 】个前元音,【 】个中元音和【 】个后元音

急.....

单元音又分为【 4】个前元音,【3 】个中元音和【5 】个后元音。

前元音: [ i ] [ i:] [ e ] [ эe] 　　
中元音: [ ə ] [ ʌ ] [ ə:: ] 　　
后元音: [ɑ:] [ ɔ ] [ ɔ:] [ u ] [ u:]
总共12个。

前元音 /iː/ these teacher sleep receive sweet indeed deep sea between keep green see believe eat tea tree knee key field peach /ɪ/ big sit fifty busy home-sick city zip lip spilt milk pit wit fish baby pig study hill city six happy district /e/ egg sweater best dead red letter step level west best health wealth whether weather bed pen desk dress head bread /æ/ man stand flag black as fact hand fat cat advantage apple bag bad cap glad happy family sad mad back 中元音 /ɜː/ worker purse learn world french perfume perfect personal interview bird early girl shirt nurse her first turn search third firm /ə/ breakfast happen moment festival federal government officials member neighbor april welcome august dollar letter about famous around former company /ʌ/ much tough enough trust other truck month love enough son mother country young begun nothing double dutch fun lunch 后元音 [ɑ:] class fast ah father bar car car, bar,far,farther, marther, class, grass, are, dark, largest, large, afternoon, after, classroom, arc, art are ah [ɔ] clock [ɔ:] orange tall talk daughter draw before more short [u] book foot good wood cook look put push full pull room classroom hook crook should shall wooden goose [u:] blue rule rude mive shoe prove truth ruler truth mood soon school noodle you tooth whose who group moon 还有几个来不及了。见谅啊。。。