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1000-hours/sounds-of-american-english/3.2.1-categorization.md

@@ -22,11 +22,11 @@ Another way to categorize consonants is based on the method and location of airf
 | Plosive   | Voiceless     | `p`, `t`, `k`           |
 |           | Voiced        | `b`, `d`, `g`           |
 | Fricative | Voiceless     | `f`, `s`, `θ`, `ʃ`, `h` |
-|           | Voiced        | `v`, `z`, `ð`, `ʒ`, `r` |
+|           | Voiced        | `v`, `z`, `ð`, `ʒ`      |
 | Affricate | Voiceless     | `tʃ`, `tr`, `ts`        |
 |           | Voiced        | `dʒ`, `dr`, `dz`        |
 | Nasal     | Voiced        | `m`, `n`, `ŋ`           |
-| Lateral   | Voiced        | `l`                     |
+| Lateral   | Voiced        | `l`, `r`                |
 | Semivowel |               | `j`, `w`                |
 
 作为初学者，**你无需尝试记忆这些分类和术语** —— 除非将来你有多余的时间精力。这些语言学的概念，并不构成任何学习障碍。你需要了解的只不过是分类的**依据**：**声带振动与否**，以及**气流震动方式和位置**。