单词：neutralizing power of lens
单词：neutralizing power of lens 相关文章
Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent
2018年VOA慢速英语(三)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. Thisll just take a minute. Heres a strange tale of two previously unrelated food products. First: chitlins, that delicacy of fried pig large intestines. Theyre well-loved throughout t
Scientific American(十一)月
Flu Virus Disarms Immune System's First Responders 流感病毒瓦解免疫系统的第一道防线 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Infection by the influenza virus may be more co
2013年VOA慢速英语(十二)月
AS IT IS 2015-03-05 UK Group Brings Eyeglasses to Rwanda 英国组织向卢旺达提供眼镜 Most people in developed countries do not have a problem getting prescription eyeglasses. They go to an ophthalmologist -- a trained specialist who treats p
2015年VOA慢速英语(三)月
UK Scientists Develop Cheap Adjustable Glasses 英国科学家开发廉价可调眼镜 Ninety-five percent of people in Sub-Saharan Africa who need glasses don't own a pair, according to the Britain-based charity foundation Vision for a Nation. Its f
VOA标准英语2015年(一月)
Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing
万物简史