jiǎng jiě …… cháng shí

讲解...常识

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Authentic Video Examples for “讲解...常识”

1 example clips
向百姓讲解防治疳霉疮的常识
HSK 1
0:03s
xiàng bǎi xìng jiǎng jiě fáng zhì gān méi chuāng de cháng shíthe public on the basics of preventing and treating syphilis infection.

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