我们要学习到的是合口双元音的/ au/ 和 / əu/ 这两个发音。
/ au/发音时口型由/a/向/u/滑动合口为一。
双唇逐渐收成圆形 /a/音读得清楚响亮，/u/音读得模糊短促；由口大到口小，音量由强到弱。
发/u/音是把舌向后缩，舌后部稍稍抬起。
而/əu/发音时口型由/ə/向/u/滑动；舌位由低到高 /ə/音读得清楚响亮，/u/音读得模糊短促；舌唇由扁平偏圆到略收圆，音量由强到弱。
大家跟外教读些单词句子，来更好地练习这两个音。
Please read groups of words to distinguish the / au/ and / əu/.
1. now know
2. allow load
3. how hole
4. down below
5. house host
6. mouth most
7. proud prose
8. cow goat
Please read some phrases and sentences to practice the sounds
1. not allow me to follow
2. read the poem aloud
3. The house is already sold.
4. Temperature is low in the south.
5. The mountain is covered with snow.
6. The place abounds in coal.
7. The cow is moving slowly.
8. He felt terribly cold in the house.
Read more sentences for you to recite.
1. It was a plain joke to allow the house to be sold.
2. I doubt he will be able to vote for that fellow.
3. The stolen cow must have been sold before now.
4. When you are old you will know all about this joke.
5. He is very proud of being known as a social celebrity.
