add a script to replace

1000-hours/sounds-of-american-english/2.4-linking.md

@@ -21,4 +21,4 @@ Each combination above can lead to a series of *phonetic variations*. These nuan
 
 需要注意的是，当我们讨论多个音节组合在一起的时候，有两种情况。第一种情况是**多音节词汇** —— 当然是连着的一串音节。而另外一种情况其实也同样常见，在自然语流中更多的是多个词汇组合在一起构成的**意群** —— 实际上也是连着的一串音节。
 
-It's important to note that when discussing syllables strung together, there are two scenarios. The first is *polysyllabic words*, which are, of course, a series of linked syllables. The other common case involves *meaning groups* - combinations of several words that form a continuous string of syllables. Both are commonly found in natural speech flow.
+It's important to note that when discussing syllables strung together, there are two scenarios. The first is *polysyllabic words*, which are, of course, a series of linked syllables. The other common case involves *meaning groups* - combinations of several words that form a continuous string of syllables. Both are commonly found in natural speech flow.