色觉检查图

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. And I'm Barbara Klein. Today on our program, we visit the Bureau of Engraving and Printing in Washington, D.C. to learn about how American dollars are made. Last year, th

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 VOA慢速英语2008年(九)月

BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And Im Steve Ember. Today on our program, we visit the Bureau of Engraving and Printing in Washington, D.C. to hear how American dollars are made. In tw

发表于:2019-01-12 / 阅读(34) / 评论(0) 分类 2010年VOA慢速英语(十一)月

D:I feel bad for male squirrel monkeys. Y:What?Why? D:Because they cant detect the colors red and greentheyre red-green colorblind. Y:Maybe,but scientists at the University of Washington used gene therapy to make squirrel monkeys produce proteins tha

发表于:2019-01-22 / 阅读(40) / 评论(0) 分类 英语时差8,16

Watercolor Pendulum When I'm falling down Will you pick me up again? When I'm too far gone Dead in the eyes of my friends Will you take me out of here? When I'm staring down the barrel When I'm blinded by the lights When I can't see your face Take me

发表于:2019-02-03 / 阅读(51) / 评论(0) 分类 好听的英文歌曲

We can probably all recount at least a dozen weird and alarming things parents, teachers, and older siblings told us about our eyes when we were kids. For instance, we'd be permanently cross-eyed if we didn't stop making those faces at our brother or

发表于:2019-02-05 / 阅读(32) / 评论(0) 分类 阅读空间

In this Moment of Science Don gives Ya?l a neat trick to play on her brain. You might want to try it, too. D: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly colored--let's make it a green door. S

发表于:2019-02-15 / 阅读(31) / 评论(0) 分类 英语时差8,16
学英语单词
abluention
abraxas illuminata
agreement not of alienate territory
alexiteric
anion group
anseculin
answer Scotch fashion
ash agglomerating fluidized-bed gasifier
aulotrachichthys prosthemius
automatic rich position
Bennett'Fr
biosynthetic reaction
biskupin
bit in
box magazine
Brown nickel process
butyrogenic
cance
capillary pressure head
capital of Uruguay
cesium oxide
Chamber.
chevron seal
Chiem Son
cocking-up
composite synchronous pulse
congenital leucoma
Coptis chinensis Franch.
Cordillera Occidental
Coulomb collisions
covering up
crown princess martha land
cumulative mean
Cynanchum muliense
Deh Sheykh
divided steam-flow design
Dobrogea
double response controller
dowcemere
dry-plate rectifier
effective reflectivity
enlightens
erythro
fauconberg
finds fault
fixed costs when operating
frenchman r.
fumacious
Gauss epoch
Giffard injector
Gostynin
government credit guarantee
Hixson Cay
hooded jacket
hose conncetion
ilamas
innominate obligation
Karuizawa
late-type galaxy
lay psychiatrist
lead(i) hydride
maclaine
maximum anode heat content
Mister Bigs
multi-access computer
Nahari
noseness
ovarin
perceptively
personnel selection
Phlojodicarpus sibiricus
physical ageing
physiographic symbol
pisis
pre-ethmoid
radial line load
rangeability of control valve
reconfirmed
reference toroid
resistance magnetometer
retransmits
roaming profile
rufino
second mortgages
Shohl-Pedley's method
shorthandled seta
sight case
sound law
spray-carburettor
straight brass grease lubricator
subidealizer
tail buoy
tegmental nucleus
Terflazine
thermoelastic phase transformation
Thermopathogeny
trapezoidal highpass filter
trochlea tali
unidirectional ring
v.42bis
viticula
xylaria nigripes