时间:2019-01-20 作者:英语课 分类:2015年Scientific American(十一)月


英语课

 Have you lost your ability to taste during a cold because your nose stuffed up? That’s because the nose is intimately involved with your taste. When you chew,   flavor compounds from the food  to the back of the mouth. And when you exhale 1,  you cary some of those flavor compounds to   where they  . As children  their first lesson in their table manners, you know just to keep their mouth close while chewing and you also want to breath smoothly 2. It’s M.N. mechanical   I think it’s not only because a  courteous but also because it’s actually you can smell the food much better, if you can breath smoothly. The backward by which smells contribute to taste is called  function and it turns out our airway 3  to enhance that effect. In his     three pretty women airway, using the CT scanner as a tablet, to check air flow they  water  particles and pumping it into the  filming the results.


He found that when you breath them, that inward air flow actually form a at the back of your mouth, blocking food particles from getting into the lungs, which is a good thing. And when you exhale, air throws through  in the back of the mouth, swiping up those particles and delivering them right to the  where you can smell them.
The results appear in the    national  of science.
Now there is a way to     system. Except for     meaning if you really    often done your food gasping 4 for the air, that turbulent breathing actually delivering more of those food molecules 5 into your lungs and fewer into your . In other words, your mother is right all alone. Keep your mouth shut and don’t  the food. You’ll cut the chance of chewing and enhance the taste of the meal.

v.呼气,散出,吐出,蒸发
  • Sweet odours exhale from flowers.花儿散发出花香。
  • Wade exhaled a cloud of smoke and coughed.韦德吐出一口烟,然后咳嗽起来。
adv.平滑地,顺利地,流利地,流畅地
  • The workmen are very cooperative,so the work goes on smoothly.工人们十分合作,所以工作进展顺利。
  • Just change one or two words and the sentence will read smoothly.这句话只要动一两个字就顺了。
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。
分子( molecule的名词复数 )
  • The structure of molecules can be seen under an electron microscope. 分子的结构可在电子显微镜下观察到。
  • Inside the reactor the large molecules are cracked into smaller molecules. 在反应堆里,大分子裂变为小分子。
学英语单词
abrupt contraction
alphabet sequence
analytic operator-valued function
Anemone rupicola
antifrictional
antipress
astronews
atom manipulation
autopsies
azo-dye
b stage
bead lock band
beneficially
blade grouping
briefing officer
bufo periglenes
chapinha
Cheyenne River Indian Reservation
Chiers
churrucas
clerical test
co-branding
codeine sulfate
collegemate
computed azimuth
conck
Convolvulus tragacanthoides
crystal tube
curb line
Dazbog
death-case
deep copies
defanging
demotees
differential adjustment
disease Leber's
disengagement surface
dissociation recombination
DMDM hydantoin
dressed fitch tail hair
dropped frame
dupable
Emitrip
enthalpy of vaporization
epithelial defect
exposed surface area
extra-high-voltage generator
fanum
finely laminated clay
hih
implied agency
in the case at trial
Inleusin
isodrome
isonomies
light digital logging instrument
lixivious
local yield table
logical segment
low smelting heat
manyvalued
mark-on percentage
megalosplenic
moldic pore
nortropane
offset pointer
optical fibre amplifier
Peyer's plaques
polhamus
portinatxes
portlligat
psilopa sorella
Ramsau bei Berchtesgaden
rationing exchange
rednecks
relative movement
reprovings
resin bond
rope figure
shelf-space
show around
Simon's operation
single level pegging
sinue
space recording
special function of confluent type
stakings
Strazha
sweep-back wing
synsacra
tert.-butyl iodide
throw his weight about
toilet-papers
triominoes
unit of heat
unposted
Viet's effect
voluntaire
weekly bulletin
winglike
Wingom
woodworks