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A volunteer introduces ear care knowledge to students at Daiying Primary School in Yingzhou District, Fuyang, east China's Anhui Province.on Feb. 28, 2019. China's national Ear Care Day falls on March 3. (Xinhua/Wang Biao)
Ear care knowledge introduced to students across China
Source: Xinhua| 2019-03-01 20:30:48|Editor: Li Xia
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