Update readme_cn.md misspelling (#2088)

learningpro

2024-09-20 8c88d71f34ddf78588983538f887b8fb483996cd

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BAC009S0764W0121 <|Speech|>
BAC009S0916W0489 <|Speech|>
asr_example_cn_en <|Speech|>
ID0012W0014 <|Speech|>