| 文件 | 时间 | 大小 | 下载 | |
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01.单元音音标：前元音.mp4 | 2024-07-01 17:57:55 | 586.34 MB | |
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02.单元音音标：中元音.mp4 | 2024-07-01 17:57:55 | 399.34 MB | |
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03.单元音音标：后元音.mp4 | 2024-07-01 17:57:55 | 359.24 MB | |
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04.双元音音标（I）.mp4 | 2024-07-01 17:57:55 | 516.11 MB | |
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05.双元音音标（II）.mp4 | 2024-07-01 17:57:55 | 437.48 MB | |
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06.辅音音标（I）.mp4 | 2024-07-01 17:57:55 | 426.17 MB | |
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07.辅音音标（Ⅱ）.mp4 | 2024-07-01 17:57:55 | 271.42 MB | |
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08.辅音音标（Ⅲ）.mp4 | 2024-07-01 17:57:55 | 338.86 MB |