在这个视频中你将学习到OO的发音，发这个音时嘴唇呈椭圆形，嘴唇向前伸。

下面我们在pool这个单词中练习OO的发音

Tips:
嘴唇：呈椭圆形

接下来给大家一些词进行练习：

tool T-OO-l
pool P-OO-l
cruel Kr-OO-l
truth Tr-OO-th
ruthless R-OOth-less
loop L-OO-p
cool K-OO-l
poor P-OO-r
rule R-OO-l
mute Me-OO-t
mood M-OO-d
rude R-OO-d
crude Kr-OO-d
food F-OO-d
fruit Fr-OO-t

接下来我们在句中来练习OO的发音：

A multimedia projector is a training tool for most organizations.
In India the trend of playing pool is increasing day by day.
Grown-ups can sometimes be so cruel.
A child is always told to tell the truth.
Some consider eating chickens a ruthless act.
In the computing language there is a mathematical expression called loop function.
Poor people sleep on the streets in such cool wind.
Managers should always keep a thumb rule.
All television sets have a mute function.
It mostly depends on your mood, where you would like to go shopping.
I hope I wasn't rude in my statement.
Racialist behavior involves being crude.
'Food for thought'...... that's what I would say.
Mostly all citrus fruits have vitamins.

请大家重复练习到自己满意为止！

学习上期节目：
6分钟练就完美美式口音01：口腔肌肉练习
6分钟练就完美美式口音02：AY的发音
6分钟练就完美美式口音03：AI的发音
6分钟练就完美美式口音04：AW的发音
6分钟练就完美美式口音05：OH的发音