光子俘获

31 A Young Pioneer Long ago, when the western part of the United States was still a wilderness, a young boy, called Kit, not yet twenty years old, went from his home in the East to learn about the new country. He wanted to know what lay beyond the R

发表于:2018-12-08 / 阅读(145) / 评论(0) 分类 背诵为王第一册

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(61) / 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(71) / 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(109) / 评论(0) 分类 2017年NPR美国国家公共电台7月

ROBERT SIEGEL, HOST: A lot of companies have promised to do their part to reduce their releases of greenhouse gases that are trapping heat and giving the planet a fever. Among them are big food companies, including the biggest American grocer, Walmar

发表于:2019-01-16 / 阅读(76) / 评论(0) 分类 2017年NPR美国国家公共电台8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(71) / 评论(0) 分类 TED演讲教育篇

发表于:2019-03-01 / 阅读(160) / 评论(0) 分类 Wee Sing For Christmas
学英语单词
actinolysin
affinin
alkali metal salt
always true formula
arriss
as thick as rabbits in a warren
Barthes
bedford-stuyvesant
blood-groups
blow me down
bone grafting chisel set
burial plot
circuit quantities
cold stroke
Coltalin
commi
copying cutting
culprits
deltoid artery
deltoidea
deoxyribosyl
descl-
detection of elements
diafiltrating
directional collective control
dropping characteristic
earth-oriented satellite
editorial control
elicitive
engraffment
erecting eyepiece
film drum
fish restaurant
flabbiness
gas-collecting channel
gas-metal reaction
genus mahonias
gire
grosjean
hemobilirubin
herringbone gear
icjs
indirigible
intraoccular
Island Pond
ketone-benzol-dewaxing process
latisquamea
latrun
leptacline
listen while talk (lwt)
male organs
Master of the Court of Protection
materiel conditions
melting point tester of resin sand
metal backing
multipass laser
Myosurus
nemoura formosana
neurolinguistic programming
nociceptin
of the same flight
oligodeoxythymidylic acid
open flow test
open the doors for
original source
paracoccidioidal granuloma
peropsin
piston type metering pump
plastic hinge
pothyne lanhsuensis
production policies
pulp drier
recognition network
reincorporate
Samar del Norte, Prov.of
Saparua, Pulau
saturation transformator
schistus
science labs
second-order susceptibility
series capacitive campensation
service leases
Sexually Explicit Conduct
skeletal systems
smokeless
sorbitan monostearate
Spanish potato
standard communication software
statistic record
subpictures
supplementary information
swift glance
sympathicoadrenal system
TACACS
thematic generalization
thighbones
total mean downtime
uvulopalatoplasty
variation within classes
weather screen
whiskyless
Yampupata, I.