手表突然不走了是怎么回事

 
手表突然不走了是怎么回事
 
来听今天的讲解:
 
A:What can I do for you?
 
有什么可以帮您的？
 
B:Yes.There is something wrong with my watch.It stopped several hours ago.
 
是的。我的表坏了。几个小时前它不走了。
 
A:Let me have a look.The watch's battery is worn down.
 
让我看看。电池没电了。
 
B:How much is a battery?
 
一个电池多少钱？
 
A:50 dollars.
 
50美元。
 
B:How long will it last?
 
能用多长时间？
 
A:About 2 years.
 
大约两年。