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1000-hours/sounds-of-american-english/2.2.6-sz.md

@@ -19,6 +19,6 @@ Also, it's important to note that, following an <span class="pho">s</span> that
 > * *school* <span class="pho alt">skuːl</span> → <span class="pho alt">sguːl</span><span class="speak-word-inline" data-audio-us-male="/audios/us/school-us-male.mp3" data-audio-us-female="/audios/us/school-us-female.mp3"></span>
 > * *frustrate* <span class="pho alt">ˈfrʌˌstreɪt</span> → <span class="pho alt">ˈfrʌˌsdreɪt</span><span class="speak-word-inline" data-audio-us-male="/audios/us/frustrate-us-male.mp3" data-audio-us-female="/audios/us/frustrate-us-female.mp3"></span>
 
-另外，英文的辅音并没有长短区分 —— 有些语言的辅音是有长短区分的，虽然亚洲语言基本都没有这种差别。然而，英文的 <span class="pho">f/v</span>、<span class="pho">s/z</span>、<span class="pho">ʃ</span> 是可以拉长的，尤其是 <span class="pho">s/z</span>。
+另外，英文的辅音并没有长短区分 —— 有些语言的辅音是有长短区分的，虽然亚洲语言基本都没有这种差别。然而，英文的 <span class="pho">f/v</span>、<span class="pho">s/z</span>、<span class="pho">ʃ</span> 以及 <span class="pho">ts</span> 是可以拉长的，尤其是 <span class="pho">s</span> 和 <span class="pho">ts</span>。
 
-In addition, in English, there's no differentiation between long and short consonant sounds. This is a feature found in some languages but is generally not present in Asian languages. However, in English, the sounds of <span class="pho">f/v</span>, <span class="pho">s/z</span>, and <span class="pho">ʃ</span> can be lengthened, especially <span class="pho">s/z</span>.
+In addition, in English, there's no differentiation between long and short consonant sounds. This is a feature found in some languages but is generally not present in Asian languages. However, in English, the sounds of <span class="pho">f/v</span>, <span class="pho">s/z</span>, <span class="pho">ʃ</span>, and <span class="pho">ts</span> can be lengthened, especially <span class="pho">s</span> and <span class="pho">ts</span>.