时间:2018-12-24 作者:英语课 分类:Scientific American(一)月


英语课

 This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute?


    People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to  excess salt is caused by the salt increasing in the volume of the blood, which in turn puts extra pressure on the blood vessel 1 walls . But going back to 1960s-70s some  reseachers thought  that the salt might be have a different effect. Now longtime hypertension researchers Arwin and Howerlong Scoumbers at the Boston university school of medicine have analysed the studies in the field of the  published reviewal articles explaining what they think salt && really is.It stimulates 2 the sympathetic nervous system to produce a  adrenalin,and it seems the adrenalin that construct the arteries 3 and caused the high blood pressure, not excess fluid volume .The reviews in the general hyperattention. Physicians have upsetted the nervous system involvement of the hypertension that's badly enough to cause kidney failure ,fluid decreacing diarect and sort of common treatment in those severe cases. It's new analyses that implies the researcher should look for additional hypertension treatments that focuses on the nervous system .
   Thanks for the minute from Scientific Americans-60 seconds science. science being Steve Murskey.

1 vessel
n.船舶;容器,器皿;管,导管,血管
  • The vessel is fully loaded with cargo for Shanghai.这艘船满载货物驶往上海。
  • You should put the water into a vessel.你应该把水装入容器中。
2 stimulates
v.刺激( stimulate的第三人称单数 );激励;使兴奋;起兴奋作用,起刺激作用,起促进作用
  • Exercise stimulates the body. 运动促进身体健康。 来自《简明英汉词典》
  • Alcohol stimulates the action of the heart. 酒刺激心脏的活动。 来自《现代英汉综合大词典》
3 arteries
n.动脉( artery的名词复数 );干线,要道
  • Even grafting new blood vessels in place of the diseased coronary arteries has been tried. 甚至移植新血管代替不健康的冠状动脉的方法都已经试过。 来自《简明英汉词典》
  • This is the place where the three main arteries of West London traffic met. 这就是伦敦西部三条主要交通干线的交汇处。 来自《简明英汉词典》
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学英语单词
(of a silkworm) molt to go through the chrysalis state
amethystanthus japonicus nakai
Ampcoloy
antipodism
arsentsumebite
asymmetric conductivity
autogyro rotor
bacterial calls
ballet british colombia
bioocclusion
biotropic
birth control measure
carried-out
Caryophyllineae
cell granulations
chimney exit diameter
chresard
closer-in
consultation committee
coolant distribution unit
cryptands
Cupressus sempervirens
daylight robberies
direct-geared
dito
domestic staff
electronic band
exceptional performance
eye-blinks
fixture for boring machine
flood-level rim
formrs
green machine
hisds
homatropine eye drops
i could have wept
Iepê
igloo
imagistically
intropressions
isooctyl alcohol
joint and several obligation
laser raman photoacoustic spectrometry
lebanese pounds
line terminator
love beat
main spar
mapmakings
mat-forming
mecke
media check
meta-anthracite
methylmetal-crylates
mixed tumor of submaxillary gland
monarchia
moss locust
muckamuck
Muhamut
musculoligamentous
nitrocellulose varnish
nonstratified crown
Norheimsund
onagers
online monitoring
ooxanthines
order Spirochaetales
oxoglutaric
particulars of goods
pestiferously
postheparin
potato beans
power supply main
precipitron
press agencies
PsLogList
refolds
relieving oppression and masses
rere-county
residence half
restimulates
self-directing missile
single-spindle lathe
slab amplifiers
sode ash
soft-pedalleds
sphericities
static MOS inverter
stratified sand
stringifying
subsonic ejection seat
swallowers
systems analysis and design
target.com
the means of production
tourism area
true folding
uncastigated
uniform heat flux
vestibule floor
visual relief map
width of ruled area