久久国产成人精品国产成人亚洲,精品一区二区成人精品,成人乱码一区二区三区av,性欧美高清come,欧美牲交a欧美牲交aⅴ一

Global EditionASIA 中文雙語(yǔ)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

A medical staff member gives knowledge about teeth to students in Taolin county central primary school in Donghai village, East China's Jiangsu province, Sept 18, 2017. [Photo/Asianewsphoto]
|<< Previous 1 2 3 4 5 6 Next   >>|
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