时间:2018-12-24 作者:英语课 分类:Scientific American(四)月


英语课

   People with asthma 1 crog constructive 2 pollenary disease and other breathing disorders 3 need fast relief with airway 4 tighten-up.unfortunately the most comonly used medication has nocious side effect,but scientists recently discoveryed that a bitter of taste can be more effective treatment, and now they know why,the work is published on Plus Biology.


  When an asthma attack hit ,the air we shrink and makes breathing difficult ,to keep air flowing ,the suffer must take medication to relax passager's muscle open and backup,but a couple year ago,research discovered airway contain bitter taste acceptors lets ones on the tongue,after exposure to a bitter substance, the acceptors can expand the airway more quickly and more effectively than the commonly used treatment.
  Researcher examined airway tissue to learn why the bitterness  make the  muscles relax,during an asthma attack,calsin flows into the selfof the airway and contribute to muscle constraction.
  but bitter substances block the channel that allow the calcement desell ,that is the opposite of bitter bill.

1 asthma
n.气喘病,哮喘病
  • I think he's having an asthma attack.我想他现在是哮喘病发作了。
  • Its presence in allergic asthma is well known.它在过敏性气喘中的存在是大家很熟悉的。
2 constructive
adj.建设的,建设性的
  • We welcome constructive criticism.我们乐意接受有建设性的批评。
  • He is beginning to deal with his anger in a constructive way.他开始用建设性的方法处理自己的怒气。
3 disorders
n.混乱( disorder的名词复数 );凌乱;骚乱;(身心、机能)失调
  • Reports of anorexia and other eating disorders are on the increase. 据报告,厌食症和其他饮食方面的功能紊乱发生率正在不断增长。 来自《简明英汉词典》
  • The announcement led to violent civil disorders. 这项宣布引起剧烈的骚乱。 来自《简明英汉词典》
4 airway
n.空中航线,通风口
  • Lay them on their side and ensure the airway is unobstructed.让他们侧躺着,并确保呼吸道畅通。
  • There is a purple airway in London Airport.伦敦机场里有一条皇家专用飞机跑道。
学英语单词
acoustic homing system
address matcher circuit
alphanumeric program
Anicetus
antirheumatoid drug
apparent turbulent stress tensor
aseptic filling
astronomic transit
atlee
automated batch mixing
Bac Giang, Tinh
bioconcentration
bistable polarization
branch coverage testing
brems
bus hut
cant rail
checking book
chrysanthemum leucanthemums
close-to-nature forestry
cobalt slass
coffee black beans
coodes
crested penguins
crystal-controlled
customer evaluation
daryosphere
diffused base transistor
distributed element
ditylenchus
externally-imposed
flower primordia
foresworn
full crystal
gateway charge
geographical classification of 8oils
guardlike
heteromorphic chromosomes
heterosperminous hybridization
histoimmunological
historical jurisprudence
horn cleat
hydroaluminations
iraqgates
knife tool
laughland
lent an ear to
liasons
limit of aperidicity
local buffer storage
lomasome
longitudinal dispersion
low transmission
mazatzal pk.
medical nomenclature
microcode assembler
mild-mannered
mine swept route
Mugila, Mts.
multispectral satellite data
noboes
obv
Osborne, L.
Paranari
patently
payment notice
Perisporiales
pick his steps
price plan
primary vaccination
protocollyris sauteri
pterygomandibular
Puusepp's reflex
raddicle
read-message
real-time data structure
recosting
reverse mottle
RNA probe
rosin adduct
scutellarin
segmented address space
spread for
sudor anglicus
Symes
symmetric game
tank clean-out opening
televisuality
the eight manifestations of infantile convulsion
theophanous
tisiyeh (tasiyeh)
torpedo bombardment aeroplane
tribenzylethyltin
trickle-irrigated
triphenoxazin
two for one twister
unquenches
versche
vica
wear resistant alloy steel
widely spaced stanchions
zapanta