时间:2019-03-06 作者:英语课 分类:英语时差8,16


英语课

 At some point in our childhoods it dawns on us how incredibly great it would be to turn invisible. Just imagine all the places you could sneak 1 into! Think of all the things you'd get to see!   Well, nobody knows yet how to make a person invisible. But one thing we do know from physics is that, if you did make yourself invisible, you'd be in for a big disappointment. You wouldn't be able to see anyone else either!


Why is that? Just because you can't see me, how does it follow that I can't see you?
The problem comes in the nature of seeing. Presumably when we say "invisible" we are not talking about someone who can hide so well that she's never spotted 2. If you're really going to be invisible, you'll have to be transparent 3. In other words, light will have to be able to pass right through your body without being deflected 4 or absorbed. That way, the light coming from the tree behind you will pass through your body unchanged and reach my eye where it forms an image of the tree exactly as it would if you weren't there.
But think about what we just said. The way I see the tree is by having light from it hit my eye. That interaction of light with my retina sends signals to my brain, which combine to form a visual image. See the problem? If you're invisible, light never hits your retina, or anything else. It passes right through. Unfortunately, it's not half as much fun to be invisible if all you can do is stumble around.  

vt.潜行(隐藏,填石缝);偷偷摸摸做;n.潜行;adj.暗中进行
  • He raised his spear and sneak forward.他提起长矛悄悄地前进。
  • I saw him sneak away from us.我看见他悄悄地从我们身边走开。
adj.有斑点的,斑纹的,弄污了的
  • The milkman selected the spotted cows,from among a herd of two hundred.牛奶商从一群200头牛中选出有斑点的牛。
  • Sam's shop stocks short spotted socks.山姆的商店屯积了有斑点的短袜。
adj.明显的,无疑的;透明的
  • The water is so transparent that we can see the fishes swimming.水清澈透明,可以看到鱼儿游来游去。
  • The window glass is transparent.窗玻璃是透明的。
偏离的
  • The ball deflected off Reid's body into the goal. 球打在里德身上反弹进球门。
  • Most of its particles are deflected. 此物质的料子大多是偏斜的。
学英语单词
accola
agrarianizes
aircured
Alexandroff compactification
anantherate
anti-isomorphic algebra
aplastic anaemias
appropriate public authority
atopic dermatitis
bates's feed
benignant
binitarianism
blocker bet
blue-speakers
border effect
buncher of particles
cam block
carmovirus carnation mottle virus
cavenger jig
cephalophragma
class character
coercive isomorphism
comprehensive case
database diagnostics
decade box
declaringly
deodand
dog tied up
dummy treatment
eventualist
expansion-ring
F-actinF
filtration underground
frothed latex
fuzzy production system
Fëdora I Aleksandra, Ostrova
hansen-woodyard end-fire linear array
heatabsorbent surface
incrementor
integrated services network
intensity grid
korbonski
laicity
laser fusion experimental device
leaded zinc
leapfroging
lumber-rooms
Lyon King of Arms
magnetic belt
marakkanam (merkanam)
Microula forrestii
mining area communication
mohorita
munchable
nitroaromatics
No rose without a thorn
no-load jet
number-theoretical method
olsens
PCOP
pen culture
physical geomorphology
phytocoenoecology
pin-fire
potter oscillator
preferential attack
present speed
produ wood
promotion
protonatable
pump noise monitor
puppily
Qinling Mountains
raisining
red deadnettle
reduced form disturbance
register,arithmetic and logic unit
release connection
retroactive inference
rich-bound
salahaddin
salicylic acid filter
shamas
simulated interview
skeleton key
slattings
SSL certificate
St Mary Pk.
steam gauge stand
stockroom
sulisobenzone
tangerine trees
Teviot
Therems
throw yourself at sb
tongue and groove labyrinth
trigonum dorsale
triphenyl tetrazolium chloride method
turbo-alternators
ungallantry
universal rolling mill
wet dust extraction