| 课程目录 |
| 1国际音标 |
| lesson 1 |
| lesson 2 |
| lesson 3 |
| lesson 4 |
| lesson 5 |
| lesson 6 |
| lesson 7 |
| lesson 8 |
| lesson 9 |
| lesson 10 |
| lesson 11 |
| lesson 12 |
| lesson 13 |
| lesson 14 |
| lesson 15 |
| lesson 16 |
| lesson 17 |
| lesson 18 |
| lesson 19 |
| lesson 20 |
| lesson 21 |
| lesson 22 |
| lesson 23 |
| lesson 24 |
| lesson 25 |
| lesson 26 |
| lesson 27 |
| lesson 28 |
| lesson 29 |
| lesson 30 |
| lesson 31 |
| lesson 32 |
| lesson 33 |
| lesson 34 |
| lesson 35 |
| lesson 36 |
| lesson 37 |
| lesson 38 |
| lesson 39 |
| lesson 40 |
| lesson 41 |
| lesson 42 |
| lesson 43 |
| lesson 44 |
| lesson 45 |
| lesson 46 |
| lesson 47 |
| lesson 48 |
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