音标:['tu:f'əʊtɒn] ;
双光子

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 2015年Scientific American(一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(十)月

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(180) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(160) / 评论(0) 分类 TED演讲教育篇
学英语单词
acute traumatic bone atrophy
adipose tissue
aleurites ardata oil
alternate manager
analog-digital integrated circuits
assorteth
back countries
beam-lead
bequeath
business strength
caffeine-free
caligraphy
Cephaelis acuminata Karsten
cliff of displacement
clinic boat
Codonopsis levicalyx
common japanese conger
Commonwealth Games
compact covering
company's register
conjugate basis
contract involving gratuitous transfer of property
corner point
curara-like agent
curriculum project
Dalton, Robert
damage in collision
deattributing
deflation approach
delta plutonium
dendrobium officinale kimura et migo
detenamo
direct earth capacitance
distinctity
dnbp
Economic Vegetarian
electrical materials
elfinwood
embodier
emmylous
ends of the earth
ennoblement
environmental severity factor
euphorbia jolkini
Filosea
fixed pitch propeller
flow sender
funds secured from internal sources
gastropancreatic ligament of huschke
gay marry
group interviewing
have sb.'s ear
income and expenditure
instructive hypothesis of antibody formation
larchen
least significant digit
light spectrum
lime-stone
limitation of signal to noise ratio
linear law
magnesium light lamp
mandatory control
matronized
mechanical sensor
melanophore stimulating hormone
mop
naccache
Neuchâtel, L.de
non-navigational vessel
non-significance
operating committee
outgas
persalic(c.i.p.w.)
radiating burner
replacement of employment
robopost
Rolciclina
Rydaholm
seasoned
Sellers coupling
shg
single footage
solid refrigerator
special-purpose memory
ST_strong-and-weak_becoming-and-making-stronger
stopped flow method
subdurals
syntexis
text style
the soft
TOGW
tractellum
transhiatal
tuberculosis of prostate
UDDI
untruisms
urban market
vertical coverage
visceral brains
Waldense
whishts
zivko