单词：flecked spleen
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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week, we will tell about evidence that something big struck the planet Jupiter. We will also tell about a long ignored organ in
VOA慢速英语2009年（八）月
This is Scientific Americans Sixty-second Science. Im Cynthia Graber. This will just take a minute. Poor old spleen, it never got the recognition it deserved. Until now. Scientists had known that the spleen is part of our immune systems. But it was c
Scientific American(八)月
206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib
胡敏托福词汇记单词
By Delia Robertson Johannesburg 19 October 2007 From South African President Thabo Mbeki to children playing on the streets of Soweto, South Africans are once again united in support of the national rugby team, the Springboks, ahead of their World Cu
2007年VOA常速英语（十月）