单词：bacterial precipitaion
单词：bacterial precipitaion 相关文章
African Refugee Children at High Risk for Kala-azar, Malaria, Viral Infections Some 300,000 children are receiving vaccinations against polio and measles at one of the largest refugee camps in Kenya. They also are receving vitamin A and deworming tab
VOA标准英语2011年(七月)
STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.
2018年NPR美国国家公共电台10月
This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
Scientific American(一)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Scientific American(一)月
Refugee Camps Spread Life-Threatening Diseases At a crowded camp in South Sudan, where thousands have come to escape the region's military conflict, officials report that an outbreak of Hepatitis E - a viral infection transmitted by contaminated food
VOA标准英语2012年(九月)