正确发音小技巧
/ai/是由元音/a:/和/i/组成的, 练习发这个音时, 可以先发/a:/， 然后再过渡到/i/。由于这是一个双元音, 所以音较长。

/i/是由元音//和/i/组成的, 练习发这个音时, 可以先发//， 然后再过渡到/i/。由于这是一个双元音, 所以音较长。

/au/是由元音/a:/和/u/组成的, 练习发这个音时, 可以先发/a:/, 然后再过渡到/u/。 由于这是一个双元音, 所以音较长。

这三个双元音的特点是： 嘴巴都要张开，并张大，尽量做到嘴形饱满，发出的音才会地道。

/ai/ buy kite fly sky night
/ i/ boy coin toy spoil noise
/au/ bow cow flower shout now

唇舌训练：
Don't shout at the toy boy; try to talk to him now.
/au/ /i/ /i/ /ai/ /au/
I like the flower below the sky at night.
/ai/ /au/ /ai/ /ai/
There's too much noise in this house, the boys are bowing and tossing coins.
/i/ /au/ /i/ /au/ / i/
The boy wants to buy a cow, fly a kite and shout at a toy.
/i/ /ai/ /au/ /ai/ /ai/ /au/ /i/
The boy is spoiled by his parents who buy everything he wants.
/i/ /i/ /ai/ /ai/

单词中字母的发音规律
一般发/ai/的字母 i bike, find, time, mile
ie pie, tie
y try, sky, cry, why
ei height
eye eye
一般发/i/的字母 oi coin, exploit, noise, voice
oy boy, toy, joy
一般发/au/的字母 ou hour, trousers, proud, mouse
ow how, brown

发音与朗读训练
（在做以下朗读练习时，请注意黑体单词中画线字母的发音）
Stop to Smell the Flowers 驻足片刻闻花香
In the hustle and bustle of modern-day life,
/ai/
在现代生活的忙忙碌碌中，

people seldom stop to enjoy the beauty of nature.
/i/
人们很少会停下来欣赏自然的美。

Ask yourself how many times you have listened to the birds sing.
/au/ /ai/
问问自己，你有多少次倾听过鸟儿的歌唱。

And when was the last time you looked at the sparking stars twinkle in the sky?
/ai/ /ai/
你最近一次抬头仰望闪耀的星空又是在什么时候？

Time flies and life is short.
/ai/ /ai/ /ai/
时光飞逝，人生苦短。

So don't forget to stop to smell the flowers.
/au/
不要忘记驻足闻闻花香。

In our eagerness to make a living, we often forget about our quality of life.
/au/ /ai/
我们在急于谋生的过程中，往往忽视了我们生活的品质。

Too often you hear people say, “I am too busy,” for this or that.

多少次，你听见人们为这为那说“我忙死了”。

What a shame!
多可惜啊！

One day, when they do find time to stop to smell the flowers,
/ai/ /ai/ /au/
有一天，当他们真的找到时间能够驻足片刻闻花香时，

it might be too late.
/ai/
可能已经太迟了。