单词：manganese phthalocyanine
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HEALTH REPORT -May 29, 2002: Staph Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American researchers say they have developed the first vaccine medicine that can prevent a
健康与环境
This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d
Scientific American(六)月
This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with
Scientific American(七)月
This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the
Scientific American(七)月
By Luis Ramirez Bangkok 06 February 2008 Thailand's new cabinet has been approved, putting in place the first elected government since the military ousted former Prime Minister Thaksin Shinawatra. As VOA's Luis Ramirez reports from Bangkok, the new c
VOA常速英语2008年（二月）
Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题！ 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is
英语美文