Diphthongs 双元音

双元音发音时应注意以下几点：

（1）发音时由一元音向另一元音滑动，发音过程中口型一定有变化。

（2）前重后轻，第一部分发音较响亮，第二部分发音较轻弱。

（3）前长后短，第一部分发音较悠长，第二部分发音较短促。

（4）双元音发音不饱满有误差时，如何纠正？用斯密老师独创的“慢速分离”：拉长发音，分离首元音与尾元音，先一分为二，再合二为一。

/eɪ/

same David rain

1-16

由/e/向/ɪ/滑动，发音过程中下颚向上合拢，舌位也随之稍稍抬高。

· play a good game at chess

· face the world and brave the storm

· rain cape

· pave the way

· Success came after many failures.

· day by day

· It's pay day today.

· make a face

· The plane will take off at eight.

· His name is David.

· No pains, no gains.

· He is having a conversation with a stranger.

· It takes hard work to make the grade in school.

· Great changes have taken place in only a few days.

· They painted the table at the gate pale grey the other day.

· He became famous in the late 1980s.

· Can you stay and play another game?

· The lazy cat lay in the shade of the apple tree all day.

· Call a spade a spade.

· It's a shame they don't get paid on the train.

/aɪ/

wire time fry

1-17

此音由/ɑː/向/ɪ/滑动，/ɑː/是前元音，和汉字“啊”相似，但舌位更靠前，发音清晰，持续时间稍长。

后元音/ɪ/发得短促含糊。

· I drive five miles with Mike every Friday night.

· I would like to buy my ties before the price begins to rise.

· It's the right time to find a gold mine in the wild.

· Great minds think alike.

· The kite is flying high in the sky.

/ɔɪ/

boy voice join

1-18

由/ɒ/向/ɪ/滑动，第一部分发音较清晰，持续时间较长；第二部分发音较模糊短促，发音时双唇由圆变扁，口型由开到合。

· Did you enjoy your voyage in Europe?

· I enjoy the boy's voice.

· I am annoyed at the boy for spoiling the toy.

· Boil the fish, then broil it without any oil.

· One man's meat is another man's poison.

· Spare the rod, spoil the child.

· It's annoying when their voice turn to noise, and try to avoid flipping a coin.

/əʊ/

oh Joe blow

1-19

发音时由/ə/出发，向/ʊ/滑动，双唇收小收圆，第一部分发音稍长，滑动过程稍短。

· Go and open the window.

· Slowly the ocean rolled toward the row of homes.

· The roses won't grow even slowly in this cold weather.

· He was bloated after eating a roast and a tomato.

· Man proposes, God disposes.

· A rolling stone gathers no moss.

/aʊ/

down count sound

1-20

发音时由/ɑː/出发，向/ʊ/滑动，双唇逐渐收圆收拢，注意将音发足，避免一开始就把双唇收圆。美式英语由/æ/出发，向/ʊ/滑动，口型变化幅度更大，音色更夸张。

· They found it around the house.

· He counted the hours and vowed to get out of the house.

· We have found a roundabout without any doubt.

· The sow, the mouse and the cow sounded a rousing song.

· Sound in body, sound in mind.

· She is out of town every now and then.

/ɪə/

here hear beer

1-21

发音时由/ɪ/出发，向/ə/滑动，发/ɪ/时注意用扁平唇，迅速由/ɪ/滑向/ə/。后音节请不要找替代音/əu/。注意美式英语里/ɪə/不一定会卷舌，要看它后面有没有字母r。

· See, the end of the pier is near, I fear.

· My dear deer drinks beer.

· The earrings fell down to the nearby pool.

· A beer glass appeared near the rear window.

· I fear we can't hear him clearly.

· You are serious but sincere, my dear.

/eə/

there share hair

1-22

发音时由/e/出发，向/ə/滑动，舌尖下垂，开口程度稍小。注意这个元音本身是不卷舌的。

· That's a rare pair of shoes for a female to wear.

· A careful mayor wants to repair his chair with the bear.

· An air of excitement rarely blares down the stairs.

· This affair is unfair compared to that one.

· How did you fare there?

· It is over there on the chair.

/ʊə/

sure poor

1-23

发音时由/ʊ/出发，向/ə/滑动，滑动过程中口型由圆形变为半开唇，注意/ʊ/不要发成/uː/或者汉字“勿”。

· I'm pretty sure this is newer and purer.

· Are you sure you can endure such a long tour?

· Poor hunters offer no allure to sure shots.

· The pure girl buys the jewel on the tour.

· A poor man is looking for his pure gold.

· I will tour this European country as usual.