99re国产精品,性欧美在线,看a级黄色毛片,三级国产毛片,亚洲欧洲综合av,最近好看中文字幕日产,精品一二三区在线观看

How "farmer academician" helps villagers in China's Yunnan out of poverty

Source: Xinhua| 2019-12-04 16:34:25|Editor: huaxia
Video PlayerClose

Chinese plant pathologist Zhu Youyong is a scientist, an academician, a university honorary president. But he'd rather spend his time with poor villagers than staying at the lab. Find out his story.

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011102121386052791