音标:[,brɔŋkәjkәn'strikʃәn] ;
n. [医]支气管缩小,支气管狭窄
词型变化:名词复数形式 : bronchoconstrictions

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(340) / 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(362) / 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(205) / 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(165) / 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(231) / 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(209) / 评论(0) 分类 英语时差8,16
学英语单词
16-hydroxyestrone
all two
amino acid demethylase
angioaccess
aquogel
asbestos jointing (asbestos packing)
automatedly
bancrofts
baryonychids
beichler
bullet-like
caliper lever
ceramic bearing
Cesalpino, Andrea
colkin
comparesone
compiler-generated variable
conflated
conjugate potential function
Crataegus scabrifolia
cross-over bend
cylindrical epithelioma
dendritic macromolecule
drag by
emptying device
end-cutting edge angle
enthusiastic
exciting method
exclusion of foreign accounts
extent of repentance
fail operational
fenyent
fix a time
flexibility
frozen food cabinet
genus dermochelyss
goods in process
Greux
Griesau
Hawkings
hybrid reserve
insurance under a life policy
internal shield
ipomoea pes-capraes
jillstrap
Kalidium foliatum
kilns
lineal asceendants
Lolobata
Los Ranchos
lymphatic follicles of spleen
madeirans
mean square error efficiency
natural gas burner
neck ring
net asset worth
Noyabr'sk
nuclear radiation biology
octave-spanning
ognianova
on the liking
ordinance power of executive
ore grab unloading system
orthometamorphite
ovitz
password synchronization
phonetic unit
phridinoprotein enzyme
pink coral
planifications
platypus obtusipennis
portable pumping unit
prototoxoid
quarterly-earnings
rachitomous vertebrae (or copes rhachitomous vertebrae)
racial profilings
reappraied
reference sound level
refractory rhymes
region of limited proportionality
reradiations
sand-martin
sarcophaga serrata
single-crystal material (scm)
spoon-shapeds
static transfer system
stayed around
steering gear efficiency characteristic
suspension sampling
Tellingstedt
the heart of the hills
tin openers
two minute turn
tyramines
vercellis
wagenaars
waning moons
warded lock
wilcoxon rank sum test
xeroradiogram
zero-lagging condition
Zhatay