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A teacher introduces ear care knowledge to students at Jinchang Experimental Primary School in Suzhou, east China's Jiangsu Province, March 1, 2019. China's national Ear Care Day falls on March 3. (Xinhua/Wang Jiankang)
Ear care knowledge introduced to students across China
Source: Xinhua| 2019-03-01 20:30:48|Editor: Li Xia
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