单词：placental parasite
单词：placental parasite 相关文章
1.Life is not fair,get used to it . 2.The world won't care about your self-esteem.The world will expect you to accomplish something before you feel good about yourself. 3.You will not make 4,000 dollars a year right out of high school .You won't be a
精美英文欣赏
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we will tell about the disease malaria and efforts to defeat it. Scientists say progress in medical research could reduce the
2010年VOA慢速英语(四)月
By Carol Pearson Washington 22 May 2007 Doctors in the United States are seeing more infections from parasites normally found in developing countries. These infections could be prevented, contained or cured, but the problem is, many American doctors
2007年VOA标准英语（五月）
Fish-Sucking Parasite Named After Bob Marley The new species is called Gnathia marleyi, named in honor of the late reggae star, Bob Marley. Lead researcher Paul Sikkel, a marine biologist at Arkansas State University with a passion for Marleys music,
VOA标准英语2012年(七月)
New Malaria Drugs Stop Parasite Early U.S. medical researchers report a possible breakthrough that might prevent infection by one of the two most widespread varieties of malaria. A new class of anti-malaria compounds kills the parasites in the develo
VOA标准英语2011年(十一月)
Cheaper, Safer Pill Targets Tropical Parasite Scientists have developed a new version of a drug used to treat leishmaniasis. The new formulation may help better battle this tropical parasitic disease. Leishmaniasis is transmitted by the bite of certa
VOA标准英语2011年(十月)