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1000-hours/sounds-of-american-english/2.5.1-pitch.md

@@ -22,9 +22,9 @@ If you can sing $\frac{4}{4}$ | 3 2 1 - | - indeed, anyone could sing these thre
 
 Then you can voice *fact*, *fact*, *fact*... in three different pitches, /fækt/(3) /fækt/(2) /fækt/(1-), and you will then feel the *pitch* changes in natural speech.
 
-**音高**（*pitch*）的控制，主要靠**喉部**（*larynx*）；而**语调**（*intonation*, [3.5.2](3.5.2-intonation)），由于涉及到音高的变化（**从高到低**或者**从低到高**），所以，也由喉部控制。如果有个人在我们面前讲话，在我们听到她声调明显变化的时候，就可以看得到她的喉咙部位的明显动作……[^1]
+**音高**（*pitch*）的控制，主要靠**喉部**（*larynx*）；而**声调**（*tone*, [2.5.2](2.5.2-tone)），由于涉及到音高的变化（**从高到低**或者**从低到高**），所以，也由喉部控制。如果有个人在我们面前讲话，在我们听到她声调明显变化的时候，就可以看得到她的喉咙部位的明显动作……[^1]
 
-Pitch control mainly relies on the *larynx*. *Intonation* (3.5.2), which involves pitch variation (from high to low or from low to high), is also controlled by the *larynx*. If someone is speaking in front of us, we can see the clear movement in their throat when we hear a noticeable change in their pitch...[^1]
+Pitch control mainly relies on the *larynx*. *tone* ([2.5.2](2.5.2-tone)), which involves pitch variation (from high to low or from low to high), is also controlled by the *larynx*. If someone is speaking in front of us, we can see the clear movement in their throat when we hear a noticeable change in their pitch...[^1]
 
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