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在美式发音里面，元音发音只有15个，这里说的是发音，而不是音标，有点乱了吧呵呵，我也有点乱，我的理解是，元音音标有20个，但这20个其实只有15种不同的声音出来，下面我把我整理的12个发音发上来(还有3个是双元音，书本也没在归类在里面不然不是很特别)，记住下面的符号代表的不是音标，而是一种发音。我只是把音标放上去供你参考
下面是各个发音的发音技巧，我没有翻成中文的，因为觉得英文的可能更能很好的去理解。因为我找不到相应的在线音频，本来对着音频练的话效果会更好，如果有需要的可以加我微信Vowel sound 1 : It’s calleda high, front, tense vowel because the tongue is high in the frontof the mouth, and because the muscles of the throat and lips aretight.
Vowel sound 2: It’s a lotlike vowel sound 1; it’s a front vowel but not quite so high andnot quite so tense as vowel sound 1
Vowel sound 3: It’s reallytwo front vowel sounds; the tongue makes a middle,relaxed frontvowel [e] and then glides to a higher, tenser front vowel[i].
Vowel sound 4: It’s calleda middle, front, lax vowel because the sound is made in the frontof the mouth, but the tongue isn’t very high or low in the mouth,and the muscles are relatively relaxed tongue
Vowel sound 5: It’s calleda low, front, lax vowel because the sound is made in the front ofthe mouth, and the tongue is low and relaxed. It’s a veryanimal-like sound, not very beautiful but veryimportant!
Vowel sound 6 : It’s calleda low, central, lax vowel because the tongue is low and in thecenter of the mouth, and the muscles are more or lessrelaxed.
Vowel sound 7: It’s calleda low back vowel, and it’s very similar to vowel sound 6.In fact,many dialects of North American English use only 6, and don’t use 7at all.
Vowel sound 8: It’s calleda back vowel, but it’s really a glide because the sound starts alot like the o,then it gets higher and tenser, and it changes to au sound: o-u
Vowel sound 9: It’s calleda high, back vowel, too, and it’s a little hard to distinguishbecause it sounds a lot like vowel sound 10; the lips are rounded,as in 8 and 10, but it’s not quite as high or tense or rounded as10.
Vowel sound 10 : It’scalled a high, back, rounded vowel because the tongue in theback ofthe mouth, and the lips make a circle.
Vowel sound 11: is called amid, central, lax vowel; it’s neutral --- not high, not low, notfront, not back --- and very relaxed. Some people say it soundslike a punch in the stomach!
Vowel sound 12: It’s calleda retroflex because many people curl the front of the tongue back alittle bit when they make this sound.
很多人都在问，刚开始的时候选英音还是美音，学了英音怎么转美音。其实不管你选英音还是美音都不重要，不要太在意，看个人喜好就行了。最终你的口音会因为你所处的环境而改变。我学的是美音但我现在说的是新加坡英语。哈哈
最后我想再次重申一下。个人认为，音标是学好英文的重中之重（学好英语音标的重要性），语法我都不觉得怎么重要，音标好的人，读背单词就容易了，听听力也会有很大的提高，最关键的是你口语也会比大多数人牛B，（因为中国大部分学校教的都比较烂）当你的英文比别人牛的时候这就是你坚持的源泉，我们总是喜欢做一些能证明自已能力的事情，当你得到别人认可的时候，当你觉得有一项东西是你做得很好别人做不到的时候，你会更有动力去做这件事情。因为它能给你成就感，这种成就感会一直支持你。
