[生物] 生物扩散

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) 分类 60秒科学

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(63) / 评论(0) 分类 Scientific American(五)月

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(45) / 评论(0) 分类 2017年NPR美国国家公共电台8月

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(43) / 评论(0) 分类 2017年NPR美国国家公共电台12月

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) 分类 阅读空间

It also revealed that 28 percent had choked on crumbs, while one in ten had broken a tooth or filling biting a biscuit. More unusually, three percent had poked themselves in the eye with a biscuit and seven percent bitten by a pet or other wild anima

发表于:2019-02-16 / 阅读(31) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a flash in the pan
adjustable shore ramp
arc-heated wind tunnel
Australianising
begonia cheimanthas
beta-Cliachite
breloques
bryman
camlet
cancer bodies
Carbon intensity
casts up
catalytic odor treatment
CeBIT fair CeBIT
cheer-leader
cholectstoncus
closed eyes foot balance
con-supreme
conduction type
conjugate glycuronates test
continued inspection
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critical activities
cyclic storage
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heat exchanger of cold helium
helpelesse
high-energy environment
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Hoddle
houdons
I-COCH
icky
ikk
induced abortion rate
Institute Strikes Clause
irreversible controls
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nylon 6 T fiber
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