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(105) / 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(181) / 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(124) / 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(111) / 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(165) / 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(116) / 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(120) / 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(160) / 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(113) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
Aashaadha
air leakage
allylamines
attendance order
azaquinzole
benito mussolinis
Book of Nehemiah
bullock one's way
capraldenhyde
Cestrum nocturnum
cobalt minerals
colicodynia
complex stimulated scattering
cruise-control
dapaong (dapango)
Darha
data-linkage
dead man walking
development of humus
Dimblebys
Dionysius the Elder
downranking
electron donor solvent
filling building
formed fabric
forward difference
frortal sinus irrigating cannula
glutaconic nitrile
grammatophora angulosa
ground jammer
guarantee against
half open gaslift string
haplaquod
hunkidory
Illinois, State of
impact test certification
in the possession of sb
in the saddle
informee
intermediate-frequency signal
intermittent oxygen therapy
intextine
intravenous regional anesthesia
isofrequency curve
kennedia prostratas
kocinskis
lama vicugna
Laurent expansion
loading analysis
ls (launch-station)
marrow cavity
mastodonton
meetup
menarchial
metropolitains
Micropan
minimum variance estimate
Mogyopyit
non attachment
normal shrinkage
not matter tuppence
omnidirectional radio ranging
oxy-hydrogen gas
Pick City
plexus gangliosug ciliaris
political sociology
pussymen
removable cops
Rules for Carriage of Passengers by Waterway
s-style
sa de bandeira
Scutellaria omeiensis
sh? huo
shell frame
ship incline
silicone resin adhesive
snorkel breather
standard response spectrum
straight pole boundary
straight-side knuckle joint press
Sulzer)
take credit to oneself for
tenon jointing
Teoloyucan
thermoelastic inversion
three-quarter bathrooms
tomato soup
torsion free commutative group
Tower pound
tracer-controlled machine
Travers, Morris William
treacies
umbilicular
vancement
varsol
visceral segment
visible bearing
wind power rose
with all speed
xystus
zaddikims
zeuxis barsdelli