Bell speak

• 贝尔语言

Bell speak的用法和样例：

例句

1. Bell thought that if he could make speech visible by actually showing the vibrations of the voice, he could teach his deaf pupils to make the same vibrations themselves.
   贝尔认为如果能以某种具体的形式显示声音的振动，使语言变得可以看见，他就可以教耳聋的学生自己发出同样的振动来。