冠词an修饰的名词说有元音音素，什么是元音音素，元音音素都有哪些啊

冠词an修饰的名词说有元音音素，什么是元音音素，元音音素都有哪些啊

元音 /α:/、/כ/、/כ:/、/u/、/u:/、/Λ/、/∂/、/∂:/（这里是重点）1、 /α:/ ：嘴全开，唇成自然状，舌根部后缩，后位音、长元音，字母组合ar发这个音。发音练习： heart arm darn farm cart fast car dark barn pass hard far star park half father master 朗读单词：/æ/与/α:/的比较 cap carp am arm lad lard ant aunt pack park bad bard ham harm lack lark chat chart hash harsh2、/כ/ ：舌尖离开下齿龈，口成椭圆形，短元音，以辅音字母结尾的词的O常读此音。发音练习： lot got job shop soft song top hot box pot lock watch cost stop clock long gone wrong bottle orange doctor coffee 朗读单词：/æ/与/כ/的比较 hat hot cat cot cap cop sack sock ran wrong3、/כ:/ ：比/כ/开口更小，唇成圆形、突出，舌根部后缩，长元音。字母组合or、all、alk、aw常读此音。发音练习：tall fall wall walk call yawn thought walking lawn short dawn talk storm fort morning 朗读单词：/כ:/与/כ/的比较 don dawn pot port cot caught spot sport not naught cod cord stock stork fox fork4、/u/ ：舌尖离开下齿龈，舌后部上抬，唇较圆，短元音。 字母 u、oo、ou 常发此音。发音练习：cook book look put good full foot would room broom push sugar woman football pudding goodbye朗读单词：/u/与/כ:/的比较 fall full talk book ball bull fought foot 5、/u:/ ：舌位同/u/，但比/u/稍低，唇较/u/更小、突出，长元音。o、oo、ou、常发此音。发音练习：too soon rule boot fool school soup cool lose shoes goose whose shoot pool foolish 朗读单词：/u:/与/u/的比较 coot could goose good whose hood shoot should pool pull fool full 6、/Λ/ ：口腔全开，唇成自然状，短元音。发音练习：cup bus gun hut sung duck lung luck cut stuck musk some honey money won mouth once couple shut up cousin fun 朗读单词：/Λ/与/æ/的比较 cap cup bag bug sack suck ban bun rag rug 7、/∂/ ：口形与唇成自然状，肌肉放松，口腔半开，短元音。/∂/的拼写形式多种多样。发音练习：ago about asleep above again among mother brother doctor teacher never danger sugar order butter picture 8、/∂:/ ：口腔在半开状态，唇向两边咧开，长元音。发音练习：shirt hurt burn girl bird nurse work worm curse world dirty skirt thirsty worst person curtin serve early 朗读单词：/∂:/与/כ:/的比较 torn turn short shirt wall world 【知识要记】：记得元音音素是 /α:/、/כ/、/כ:/、/u/、/u:/、/Λ/、/∂/、/∂:/（这里是重点）