在发这个音时我们必须卷起舌头。
我们一遍又一遍地练习发这个音。
这是个短音，发这个音时不要拉长。
This is a short sound. Don't draw long when you pronounce it.
让我们听你发这个音，好吗？
发这个音时，舌头只是在舌根处略微抬起，有些摊平。
To make this, my tongue comes up just a little bit in the back, it kind of fattens up.
发这个音时，嘴要张大。
谁能正确地发这个音？
谁能正确发这个音？
下巴移到这里来发这个音，ah。非常的基本、简单且明了。
So, the jaw drops here, make the sound, ah: pretty basic, simple, and straightforward.
发这个音时，我的舌头抬起，但不会抬得太多，因为舌根不碰到上颚。
To make this sound, my tongue comes up, but not too much because this does not touch the roof of the mouth.
例如，当一个新生儿听到“A”这个音时，即便新生儿从未看到这个音怎么发出，他(她)也会做出要发这个音的口型。
For example, when a baby hears the "a" sound, he or she will make the mouth shapes needed to imitate this noise, even if he or she has never seen it spoken.
发y这个音的时候，舌头是这样顶住牙齿，y, y, 是顶住下边的牙齿，然后它开始移动：yy-oo,ew.
On the y, it's like that, up against the teeth, y, y, the bottom teeth, and it then shifts: yy-oo, ew.
当发' m这个音时，你必须闭上嘴巴让空气从鼻子出来。
To make an m, you have to close your mouth and the air has to come out your nose.
请试着跟我发这个单词的音。
这个音他发的对吗？
我马上就十九岁了，可我不知道怎样发“序言”这个词的音。
I was nearing my nineteenth birthday and I did not know how to pronounce the word "preface".
发音时，注意每个单词后面的音要发的清晰，完整。不要把这个音略掉了或发的很短。例如，特别是以。
Make sure that the final sounds in your words come through clearly and fully. Don't drop off or shorten the endings!
因为大部分学英语的都不意识到这一点发音的毛病，如果你能掌握这个绝招，就象征着你可以说得更流利，老外就更能懂你。
And because so many English learners get this pronunciation point wrong, by mastering it now, you'll sound way more fluent, and people will understand you better.
这个音不容易发。
解决这个问题的办法是自己练习发这些音，这样做，你就会知道这些被弱化的元音的位置。
The best way to eliminate this problem is to practice saying them. This will help remind you that they're there. It's also helpful if you know grammar well.
张圆我们的嘴发这个单词的音。
照我这样发这个单词的音。
我发r这个音有困难。
我发r这个音有困难。
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