Update 2.4.1-stop.md

meaning group =》 thought group

1000-hours/sounds-of-american-english/2.4.1-stop.md

@@ -41,9 +41,9 @@ There are several types of _stops_ in English:
 
 Regardless of the type, most of such stops occur when a previous consonant is fully articulated without actually producing sound.
 
-除了**停顿**（_stop_）之外，一句话可能会被分为若干个**意群**（_meaning group_），意群之间总是有着明显的**暂停**（_pause_）。
+除了**停顿**（_stop_）之外，一句话可能会被分为若干个**意群**（_thought group_），意群之间总是有着明显的**暂停**（_pause_）。
 
-Apart from _stops_, a sentence can be divided into several _meaning groups_, each separated by an obvious _pause_.
+Apart from _stops_, a sentence can be divided into several _thought groups_, each separated by an obvious _pause_.
 
 先听听这段话的录音[^1]：
 
@@ -73,6 +73,6 @@ The distinction between _stop_ and _pause_ can be clarified by whether or not on
 > - 音节之间的**停顿**（_stop_）通常是不用甚至不能换气的；
 > - A _stop_ usually occurs between syllables where you don't need to, and often can't, take a breath;
 > - 意群之间的**暂停**（_pause_）是可以换气的 —— 当然若非必要也可以不换气；
-> - A _pause_ typically happens between meaning groups, where you have the opportunity to take a breath - although it's not always necessary to do so.
+> - A _pause_ typically happens between thought groups, where you have the opportunity to take a breath - although it's not always necessary to do so.
 
 [^1]: This audio clip is extracted from the Audible edition of _Knowledge and Decisions_ by Thomas Sowell.