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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(273) / 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(305) / 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(155) / 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(113) / 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(148) / 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(149) / 评论(0) 分类 英语时差8,16
学英语单词
ABL
absorbed light
adherend failure
aluminium turnings
aluminum orthoarsenate
amphimictic
assembly language symbolic debug
attachedness
authorized carrier frequency
back pollination
Behramkale
beloved of
best-known
branch angle
calcium alloy
carotid sinus depressor reflex
cast-off burr
cathion cathode
cause fertilization to take place
centrifugal milk homogenization
cial
Clopoxide
command-and-controls
consider over
constant rate of drying
containment pressure suppression
controllability
counting-meter
cyclone course
datahub
dihexagonal bipyramids
double bath dyeing
double hinged arm
eales
erection platform
estimated amounts
evodia hupehensis dode
Fermi Yang model
forced-lubrication
Gaelic coffee
gain equation
glochids
goossy
granulocyte colony stimulating factor
gynandrosporous
half axis
headachier
Hejian
impulse current system
iso-flotability flotation
Karla Libknekhta, Mys
lateral traverse
line parallel to the profile plane
Loosdorf
magnetostriction cutter
Masumzup
Moffat Water
molaskey
mouthcoating
multi-fibres
nest sharing
non-technology
Novomaksimovskiy
operation point
packaging of waste
peak top flatness
perispirit
plummet method
plunger-type instrument
professional colour television
prosopopoeias
put someone to sleep
quit
reading material
release position
REMAB
rides off
safe estimate
sailboaters
sammies
score out
scorpion grass
self-soured casein
sheerwater
side markers
sound level gauge
space list
steam drying oven
stengels
step area
strong gales
testicular nucleic acid
the deck
Trans-New Guinea
triplex mud pump
type-sites
wastness
worm grinding machine
xanthothriein
zabu
zacharie
Zosima