赖甲四环素,赖氨四环素

60秒科学:Do Rainforests Create Rain?

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(102) / 评论(0)

60秒科学

SSS 2009-05-07

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(64) / 评论(0)

Scientific American(五)月

美国国家公共电台 NPR Probiotic Bacteria Could Protect Newborns From Deadly Infection

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(47) / 评论(0)

2017年NPR美国国家公共电台8月

美国国家公共电台 NPR Could Probiotics Protect Kids From A Downside Of Antibiotics?

RACHEL MARTIN, HOST: Go online, walk through any health store or supermarket, and you'll find all kinds of products being sold as probiotics. They're being promoted for all kinds of things - preventing upset stomachs, boosting the immune system, figh

发表于:2019-01-16 / 阅读(45) / 评论(0)

2017年NPR美国国家公共电台12月

英语歌曲:She is my sin她是我的罪

She is my sin 她是我的罪 Take heed, dear heart, once apart 小心留意亲爱的心一旦分离 She can touch nor me nor you 她便无法触摸你或我 Dressed as one 剥去身上的皮毛 A wolf will betray a lamb 灰狼将背叛那羊羔 Le

发表于:2019-02-03 / 阅读(88) / 评论(0)

好听的英文歌曲

专家:益生菌酸奶并非有益肠道健康

Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be

发表于:2019-02-04 / 阅读(36) / 评论(0)

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学英语单词

-zoid

after mast head light

agricultural support institution