标签：贫血 相关文章
1. Iran has revealed it has a second uranium enrichment plant. Officials have told the AP Iran made the announcement in a letter to the International Atomic Energy Agency. Iran is currently under three sets of UN sanctions for refusing to freeze enr
美联社新闻一分钟2009年(九)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Can we be too clean? According to what's called the hygiene hypothesis, yes. Without being challenged as kids, our immune systems don't flourish. Scien
Scientific American(一)月
Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency
Scientific American(十二)月
More than 36 million students from 134,000 primary and junior high schools in impoverished rural regions have benefited from China's nutrition improvement program since its implementation in 2011, the Ministry of Education (MOE) said recently. 教育部
英语新闻
unit 565 贫血就医 dialogue 英语情景对话 A:Now, what seems to be the trouble? A:现在，什么地方觉得不舒服？ B:It's nothing serious. But I always have a headache, and I haven't slept properly for several weeks. I've also lost appe
高频英语口语对话
When Canadian scientist Christopher Charles discovered six years ago how badly Cambodians were suffering from anemia, he decided to try and solve the problem. Unfortunately, tried-and-tested methods such as iron supplements and iron-rich diets didnt
英语新闻
In this form of hereditary porphyria, the skin becomes white with anemia and very sensitive to light. (Remember that vampires only come out at night.) The teeth of Porphyria victims become reddish and even glow under ultraviolet light. Hair grows fas
英语时差8，16