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Asthma by John Russell With World Health day on 7th April, this week we take a closer look at a very common health problem. Does your chest regularly feel tight? Do you find it difficult to breathe after light exercise? Do you sometimes make a wheezi

发表于:2019-01-02 / 阅读(724) / 评论(0) 分类 英语音频杂志

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(683) / 评论(0) 分类 医务英语

RACHEL MARTIN, HOST: It is tick season, and with it comes the risk of Lyme disease. Once found mainly in New England, Lyme disease is now being reported in a much wider range of the U.S. NPR's Allison Aubrey reports that cases have more than doubled

发表于:2019-01-16 / 阅读(602) / 评论(0) 分类 2018年NPR美国国家公共电台5月

文本: So Skara Brae was not just an isolatedsettlement of fishers and farmers. Its people must have belonged to some largersociety, one sophisticated enough to mobilise the army of toilers and craftsmenneeded, not just to make these monuments, bu

发表于:2019-01-21 / 阅读(453) / 评论(0) 分类 跟着英剧练发音

1. Libya officials say the US ambassador Chris Stevens has been killed along with three other Americans in an attack on the US consulate in Benghazi. The consulate was burned down by Muslim protesters' angry about a film that ridicules the Prophet Mu

发表于:2019-02-11 / 阅读(607) / 评论(0) 分类 美联社新闻一分钟2012(九月)

Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can

发表于:2019-03-06 / 阅读(512) / 评论(0) 分类 英语时差8,16
学英语单词
a hot topic
abortiveness
acoress
alkali-loving
aluminium paint
annual reckoning
anticlockwise
Apachean
application of equipartition theorem
Arcavicula
artificial sow's milk
as long as your arm
autogenerates
biological slime
blue-wing
blutwurst
brown-nosed
capacitor discharge welding
centigrade
civic-mindeds
concatenated code
consimple
contribution by segment
coprecipitations
count something out
demixings
design wing loading
detachable collar
double-response controller
downdraught furnace
dry saturated vapour
dumpies
electrotechnical instrument
enantiomorphous unit
engineering support
ergotamine tartrate
euphonion
factor of rigidity
fan terrace
foreign body grannuloma
forgy
free flight model
gonocid
half-space
inbreed
inefficient type
JMMC
laevicardium biradiatum
legal valuation
legibilities
Levally L.
linear switching
lisette
low air pressure test
magnetic drill
mainsail
maqarins
medial border of foot
medium position
mountain mass
nbc (national broadcasting company)
neoracism
new strip method (nsm)
OB markers
oblique shock
oscillating electric field
outmodedness
ozark plateaus
package insert
pbk
phase transitions
phase-crossover frequency
Piedra, R.
post-obit
preference share
profit and loss on capital and interest
programmable electronic system
qualify sb's claim
quantity of contribution
radial migration
rebelling
reduced astronomic latitude
reduced dependence
regular line vessel
retirement differential payment
second kind collision
self-contained plant
shank of rivet
simmond
spray carburetor
syndrome of phlegm-dampness blocking collaterals
tolite
trichlorophenylmethyliodosalicyl
undergo a prison sentence
underwhelm
vacuations
variation and control
Volhard-Harvey's methods
Volksraad
web sites
wrecking policy
Y. P.