单词:diandry
双雄受精
单词:diandry 相关文章
By Tendai Maphosa Harare 25 October 2006 Silver Packry, right, feeds one of her children while her mother, left, looks on in Harare, October 17, 2006 Child mortality is on the increase in Zimbabwe, according to the country's health minister. Health
发表于:2019-01-11 / 阅读(106) / 评论(0)
2006年VOA标准英语(十月)
Worldwide, giving birth is far less dangerous than it was even two decades ago. A new report shows that maternal mortality, however, remains a serious threat - even in wealthy, industrialized nations. A report released by New York City's health depar
发表于:2019-01-13 / 阅读(56) / 评论(0)
VOA标准英语2010年(六)月
FUZHOU, April 11 (Xinhua) -- China is preparing to set up a national mortality database to obtain cause-of-death information, marking a step toward establishing a monitoring network for health risk factors across the country, an official said Wednesd
发表于:2019-02-18 / 阅读(49) / 评论(0)
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