BBC 英式发音课程 07 双元音发音技巧 /??/

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This is a diphthong, a double-vowel sound. The shape the mouth makes changes from the beginning of the sound to the end.

这是一个复合元音，双元音。嘴的形状从这个音的开始一直到最后都要变化。

It's pronounced/??/. Did you notice how my mouth changed shape?

它的发音是/??/。你注意到我的嘴型是怎么变化了吗？

Watch. /??/ Now you try. Listen, watch and repeat after me: /??//??/.

注意观察。/??/现在你来试一试。仔细听，注意观察然后跟着我读：/??//??/。

Now here are some words that have the/??/sound: boat, show, know. Now you try. Listen and repeat after me: boat, show, know.

现在这里有一些含有/??/音的单词：boat，show，know。现在你来试试。仔细听然后跟我读：boat，show，know。

Good. . . . . . .

不错。

For speakers of some languages it may be difficult to tell the difference between the diphthong/??/and the long vowel /??/.Listen carefully to hear the difference. For each example I shall say the word with the diphthong /??/ first.

有一些语言的使用者可能会觉得很难区分复合元音/?u/和长元音/??/。仔细听其中的区别。每一组例子我会先读有复合元音/??/的单词。

coat-caught dough-door sew-saw flow-floor

现在你来试一下。再听一遍然后跟着我读：coat-caught，dough-door，sew-saw，flow-floor。很好。

Now you try. Listen again and repeat after me: coat-caught, dough-door, sew-saw, flow-floor. Good.