单元音

单元音(monophthong)共12个:其中/ɑ:/ /?:/ / ?:/ /i:/ /u:/为长元音;/ ?/ /?/ /?/ /?/ /?/ /e/ /?/为短元音。长短元音有对应关系。编辑本段如何发音单元音发音时可按舌面隆起的位置分为前元音，后元音和中元音三类。发前元音时舌的最高点在口腔的前部;发后元音时，舌的最高点在口腔的后部;发中元音时舌的最高点在口腔的中部。编辑本段元音单词以英语元音为例前元音: [i:] [ i] [ e ] [?]中元音: [?][?:][?]后元音: [?] [?:] [u:] [u] [a:][i:] sea, he, see, piece, ceiling, street, beef, these, week, meat, agree[?]sit, build, miss, myth, palace, between, if, give, busy, gym[e] bed, desk, head, anything, many, again, special, heavy, weather, wheth