国产精品永久免费视频- 无码精品A∨在线观看中文 -热re99久久精品国产99热-国产成人久久777777

Global EditionASIA 中文雙語Fran?ais
China
Home / China / Health

Students learn about oral hygiene ahead of national day for dental care

chinadaily.com.cn/Xinhua | Updated: 2017-09-20 09:21
Share
Share - WeChat

Students learn to brush teeth in the correct way in a primary school in Lianyungang, East China's Jiangsu province, Sept 19, 2017. [Photo/Xinhua]
|<< Previous 1 2 3 4 5 6   
Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US