[化] 紫外-可见光检测器

Longest Lunar Eclipse of the Century This is Whats Trending Today The longest lunar eclipse of the century will happen late Friday or early Saturday, depending on where you live. The American space agency NASA says the moon will move into the Earths

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 2018年VOA慢速英语(七)月

Unit 31 单词 1.airy 2.spacious 3.outfit 4.manly 5.fabric 6.individuality 7.reflect 8.reflective 9.underneath 10.obscene 11.abuse 12.conscious 13.biographical 14.corrupt 15.tactical 16.plateau 17.heroic 18.rotten 19.superhuman 20.labour 21.distill 2

发表于:2018-12-13 / 阅读(204) / 评论(0) 分类 北师大高中英语模块一讲解

AZUZ: Compared to earth's mass, Jupiter is thought to be much larger than that. And scientists say NASA's Juno spacecraft has led to new findings about Jupiter. For one thing, they believe the planet's surface has bands of gas and winds that flow ver

发表于:2018-12-20 / 阅读(51) / 评论(0) 分类 CNN美国有线新闻2018年4月

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(81) / 评论(0) 分类 2015年Scientific American(一)月

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(178) / 评论(0) 分类 国家地理2008年

A Magical Glow? Have you ever wondered why fluorescent colors, like you see in highlighters or clothing dyes, for instance,seem so much brighter than other colors? Its because they seem to reflect more light than they receive! It may sound like a mag

发表于:2018-12-31 / 阅读(58) / 评论(0) 分类 英语听力文摘 English Digest

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(159) / 评论(0) 分类 (科普英语)Earth and Sky

Lying NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today Im joined by Kate. Now Kate, here's an awkward question for you: do you consider yourself a good liar? Kat

发表于:2019-01-07 / 阅读(100) / 评论(0) 分类 六分钟英语

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

发表于:2019-01-22 / 阅读(114) / 评论(0) 分类 自然百科2008年

Are Tanning Beds Safe? Millions of people go to tanning salons, some to get a base tan before they go away on a beach vacation. The idea of the base tan is that it will protect you from burning on your sun excursion, so that what you end up with is a

发表于:2019-01-26 / 阅读(78) / 评论(0) 分类 英语听力文摘 English Digest

Science and technology 科学技术 Collective behavior 集体行为 Follow my leader 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselv

发表于:2019-01-26 / 阅读(105) / 评论(0) 分类 经济学人科技系列

RAY SUAREZ:More about this technology, the man behind the project and the questions this all raises from Andy Greenberg of Forbes. He's been covering this story and was in Austin when Cody Wilson first tested the gun. And, Andy, now that this thresho

发表于:2019-01-27 / 阅读(162) / 评论(0) 分类 PBS访谈社会系列

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(93) / 评论(0) 分类 实用英语

BEIJING, Oct. 26 (Xinhuanet) -- The question, why the first documented supernova was super-sized and grew so fast, has puzzled astronomers for centuries. Now it is solved by US researchers. The supernova, an exploded star, was observed in 185 A.D. an

发表于:2019-02-06 / 阅读(76) / 评论(0) 分类 英语新闻

现在的女孩子喜欢什么样的礼物?

发表于:2019-02-15 / 阅读(79) / 评论(0) 分类 阅读空间

So you want to attract mates. After all, passing on your genes is what evolution is all about. To do that you need offspring, and to get a lot of those you need to be attractive. The flashier the better. Hey, look over here! Sexy me. Ah, but theres t

发表于:2019-02-15 / 阅读(60) / 评论(0) 分类 英语时差8,16

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(106) / 评论(0) 分类 经济学人科技系列

With a variety of bands, and price tags ranging all the way from $349 $17,000, theres an Apple Watch for everyone. Except, possibly, the heavily tattooed. 面向大众推出的Apple Watch,款式多样,价格从349美元到17000美元不等。现在

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 阅读空间

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 趣味英语

ACKI LYDEN, HOST: OK. So here's a joke. A man sitting on the veranda with his wife one night when out of the blue he says: I love you. His wife says: Was that you or was that the beer talking? The man says: That was me talking to the beer. Maybe you

发表于:2019-02-23 / 阅读(104) / 评论(0) 分类 英语语言学习
学英语单词
.pgm
A stick is soon found to beat a dog.
acute frontal sinusitis
Adlerian psychotherapy
algebrician
anomalous number
apelet
arm the lead
banana seats
base tilt
bear hard
bituminous concrete mixture
breastwheels
caith
chair-bed
circulating fuel reactor
clubless
coal sample for gas test
compact video
cyberland
cycloidal system gear
damaging stress
deflate compression
demonstre
dinosaur-like
drink shops
Dufrost
eastern red cedars
electrode potential logging
elevation position-finding antenna
emigrees
energy transform device
eponymy
excecated
fifteen-year-olds
furnisher
granulating pit
grinsven
Guihaia argyrata
have no option but to
Hermon, Mt.(Shaykh, Jab.ash)
himbos
hopkinson demand rate
iews
in with a shout
IOB (input/output buffer)
ionic hydration
jump characteristic
Kismaayo
Koiama, Jasjira
livelock
local access
loss of resonator
mac-n-cheese
marine chemicals
medium bit rate digital subscriber line
Mezzettiopsis
mining width
mirage-master
moistre
monished
moold
multilevel distribution system
mush and molasses
natural taxon
NINJA loans
ore-lead age
overlaunching
overmoded pipe
palexorista immersa
pedalos
pendulum drop
petrosquamous sinuses
phosphorane
Polybius square
push button matrix
quarterlies'
quasi realty
reduce a price
relative sector
revisits
RO-46467/1
roaved
sanseverino
sati
ship-to-shore movement
sonolucency
special ceramics
steam jet mixer
summerly
tentamen
test odd
the bottom drops out of the price
the orientals
the smouldering embers of something
the tide
three-integrator
Titanox L
Tokur-Yuryakh
uncontaminated zone
unloaded mechanism
waterplane area coefficient