单词：dumbbell crystals
单词：dumbbell crystals 相关文章
This is the VOA Special English Health Report. Countries across Asia and beyond are reporting small amounts of radiation from the disabled nuclear reactors in Japan. But officials say these levels are not a threat to public health. On Tuesday, Chines
2011年VOA慢速英语(三)月
U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation（放射） exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y
英语新闻
Health Report - Fukushima Children Tested for Thyroid Cancer Risk This is the VOA Special English Health Report. This week, Japanese doctors began examining three hundred sixty thousand children in Fukushima Prefecture. The goal is to learn the exten
2011年VOA慢速英语(十)月
Japan raised the severity of the Fukushima nuclear crisis from four to five on a seven-point scale of international nuclear events. Fears of radiation exposure has caused a run on salt products all across the region, including in China, where shopper
VOA标准英语2011年(三月)
By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already
2007年VOA标准英语（七月）
ROBERT SIEGEL, HOST: Screening healthy people to look for thyroid cancer does more harm than good. That's the word from doctors on a federal health advisory committee. NPR's Richard Harris has the story. RICHARD HARRIS, BYLINE: More and more people a
2017年NPR美国国家公共电台5月