n. 抓住;占有
v. 理解

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(59) / 评论(0) 分类 万花筒2010年

Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports 有证据表明努比亚的啤酒制造者故意在啤酒中加入抗菌四环素。 In 1980, a sci

发表于:2019-01-02 / 阅读(133) / 评论(0) 分类 60秒科学

In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(九)月

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2012年(一月)

Photos as Window on the World 照片成了解世界的窗口 LOS ANGELES Photography offers a window on the world, and a recent photo exhibition shows how the camera is bringing people together globally. Artist Joy Feuer is arranging an art installat

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2014年(一月)

Sepsis is a potentially deadly inflammatory condition caused by infections. Muppet creator Jim Henson was a famous victim. Proper treatment of sepsis can require knowing what bacteria or virus caused the infection. But the identification can take day

发表于:2019-01-20 / 阅读(57) / 评论(0) 分类 2014年Scientific American(九)月

Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate on

发表于:2019-01-22 / 阅读(74) / 评论(0) 分类 自然百科2008年

Monica: Actually, we were going to have lasagna. 实际上,我们本来是要吃千层面的。 Mr. Geller: oh, I love lasagna. 哦,我喜欢千层面。 Monica: But now we are not having it. 不过我们现在没有了。 Mrs. Geller: Then why y

发表于:2019-01-30 / 阅读(100) / 评论(0) 分类 老友记精校版第1季

Bat Spit 蝙蝠的唾液 Anyone who reads gothic fiction will tell you that vampires are bad news. People who read modern medical journal s , however, might disagreein fact, they think vampires just might help save lives. The kind of vampire Im talki

发表于:2019-02-24 / 阅读(66) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
achroous
aerodynamic card
Afyon
alkali telluride photo cathode
anti-immigrant
bartas
bickerings
BMH
body with cord
bolting jumbo
bosshart
brine cock
burying vessel
cadinan
Charpak-Massonet current distribution system
chills and fever
Cokies
compactgrain
congressional committees
cooktove
craigies
craneman's house
creep activation energy
cygnus columbianuss columbianuss
decelerotor
degree of turbocharging
diplo-albuminuria
dorsosacral position
double-checkings
efferent vessel
eigensystems
eimeriosis
ELHILL
exilim
extra linguistic
extrusion grade
fast powder
fixed-head t square
fleadhs
fluid gauge
formal party
Gualou Xiebai Baijiu Tang
heritiera macrophyllas
hot concoct
hypnosis
inrounding
inverted bucket trap
ipecacuanhin
joint motion
justification by faith
labelled element
large ballast undercutting cleaners
lee distance
Lemoine hexagons
lettewys
Magnae Cartae
marriage statistics
microdetection
mill gondola
mitrinermine
molecular organic geochemistry
more attractive
most vital
mountebank
musculi lumbricales pedis
Neillia gracilis
Nova Siri
overactive odontogenesis
overshaken
p'o ch?n tzu
partition functions
pennine chains
perfect delay convention
peritectic change
plate produced from coils
precise interruption
procedure of trial production of new products
publishing house
putridae epixylophytia
realistic type
record room
rice(bran)oil
routine access
runway end
Sark lark
scrap baling maching
sheep' shank
silky tamarin
smelter injury
specific risk
steering cutout manifold
stoping area
sudanophobic unit
Tanch'ǒn
trithiocarbonic acid
ulcerate
Ulster Scots
uranolepidite
Wapno
wintermyer
yevtushenkoes
youthfulness