[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(44) / 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(197) / 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(41) / 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(63) / 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(169) / 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(52) / 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(148) / 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(89) / 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(100) / 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(68) / 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(85) / 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(149) / 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(79) / 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(58) / 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(64) / 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(50) / 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(92) / 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(91) / 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(93) / 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(88) / 评论(0) 分类 英语语言学习
学英语单词
additivate
aleksandra
alizarol orange
alluvial horizon
aluminum flakes
Amorphophallus konjac Thunb.
autapomorphs
bestial
BL-P 1597
brill-symmers(syndrome)
bulatovic
Caraga
caviar spot
Chancay
clasp hands
coarse half round file
coaxial electrode
color-gradation technique
Connantre
countertransports
cucumis melo reticulatuss
deep sea fish
deutoplasmic zone
diabolo type porcelain insulator
dirtmen
divvied
dummy bit
dungeons
ecological consideration
endazzles
ensigns
etch cleaning
faithiest
ferroelectrics
flat-channel amplifier
flempton
four cycle engine
front axle bumper
gallactica
games-makers
ganevim
genitive phrase
gingern
ginzburg
grid-type indicator
Hall converter
hypoptera
ice crystal fog
iipodystrophia paradoxa
interface distortion
interferential
International Code of Zoological Nomenclature
jumbucks
Kexby
keyboard components layout
kwl
lampions
learning without teacher
level demand signal
lignins
Macdonaugh, Thomas
man-made pollution source
medium purple
Molgramostin
nn. supraclaviculares posteriores
nom it
normal closed signal
palmitic acids
porcelainize
public occasion
reduction of pressure
ring introducer
rotatory joints
selective bacteriostasis
self acting ejector
side mirror
small rachis
spillings
splay feet
spraddled
ST_finance_payment-methods
standard spur gear
standard thermocouple
sticky bottle
stomatosyringosiphonosism
surface characteristics
Svay Rieng, Stung
swingletails
switch plug
templatizations
tentacular cirri
thigmic stimulus
thoracico-abdominal rudiment
three-piece windshield
topside model
tuft length
unit record machine
Upernavik
venee
waking response
wmbr