单词:bacterial hemelysin
单词:bacterial hemelysin 相关文章
Road to the white house [00:01.16]纷纷扰扰白宫路上 [00:02.32]It's hard enough for any of us to understand this election.Imagine trying to explain it to someone from a foreign country. [00:05.85]对这场大选,我们美国人自己理解起来
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.
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
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
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
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11 图片12