广播电视英语短句 第 300 课：声音障碍-1

If using your voice is difficult, then you know what dysphonia is. 一旦用嗓子发声有困难，你就会知道什么是“声音障碍”了，

The more common name for this disorder is hoarseness.
对于这种机能失调更为通俗的名字是“嘶哑”。

Experts say about one in three people will become hoarse at some point in their lives. 专家们说大约三分之一的人在其生活中的某些节点会变得声音嘶哑。

In the United States alone, an estimated twenty million are affected at any given time. 仅仅在美国，就统计有2千万人在既定时间内受到感染。

Infections, smoking and using your voice too much, too loudly or just incorrectly can all cause hoarseness. 感染，吸烟和过多过大使用嗓子以及使用不当均会引起声音嘶哑。