真空紫外光子

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(200) / 评论(0) 分类 Scientific American(十二)月

She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 原版英语小短文

HEALTH REPORT - Health: Looking for Skin CancerBy Brianna Blake Broadcast: Tue, 4 Jul 2006 16:00:00 UTC I'm Faith Lapidus with the VOA Special English Health Report. Tanning beds produce ultaviolet ra

发表于:2018-12-07 / 阅读(166) / 评论(0) 分类 2006年慢速英语(七)月

21 俄勒冈青蛙数量急剧减少的调查分析 DATE=5-11-01 TITLE=ENVIRONMENT REPORT - Oregon Frog Study BYLINE=Cynthia Kirk (Start at 59

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 自然探索

Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(177) / 评论(0) 分类 365个英语简短小故事

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

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 Scientific American(五)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(152) / 评论(0) 分类 Scientific American(十)月

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(248) / 评论(0) 分类 (科普英语)Earth and Sky

Studies are finding that the vitamin known for building strong bones may also help prevent many diseases. Transcript of radio broadcast: 15 July 2008 This is the VOA Special English Health Report. Vitamin D helps bones and muscles grow strong and he

发表于:2019-01-11 / 阅读(174) / 评论(0) 分类 VOA慢速英语2008年(七)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(185) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Sunscreen 防晒霜 I need to apply some sunscreen every time I am going out in summer. 夏天我每次出去的时候,我都需要涂些防晒霜。 SPF 防晒系数 Sun Protection Factor An SPF of 30 means that you could be out in the sun 30 time

发表于:2019-01-17 / 阅读(138) / 评论(0) 分类 英语俚语天天说

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(165) / 评论(0) 分类 TED演讲教育篇

物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声,洪

发表于:2019-01-17 / 阅读(163) / 评论(0) 分类 托福英语

主餐一道:泛听练习 以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议: 1、完整听一遍,掌握

发表于:2019-01-22 / 阅读(173) / 评论(0) 分类 NPR边听边练

is a consequence of ultraviolet light, of latitude and climate. 这只不过是紫外线 纬度和气候造成的。 There really is no such thing as race. 实际上并没有什么种族。 We're one species, each of us much much more alike than we a

发表于:2019-01-25 / 阅读(138) / 评论(0) 分类 公众人物毕业演讲

HEALTH REPORT - Study: Sunshine and Vitamin D May Improve Lung Cancer Survival By Cynthia Kirk Broadcast: Wednesday, May 18, 2005 I'm Gwen Outen with the VOA Special English Health Report. Sunlight he

发表于:2019-01-30 / 阅读(292) / 评论(0) 分类 健康与经济

A new 'health' trend in Hong Kong sees women staring straight at the sun in the belief that it will replace their need for food and even improve their vision and sleep quality, reports Oriental Daily. 据《东方日报》报道,香港女性中兴起

发表于:2019-02-15 / 阅读(213) / 评论(0) 分类 阅读空间

A man who created neon noodles is being scrutinised as he's refusing to reveal what exactly has given them their crazy colours. 由于拒绝披露关于五彩面条的上色细节,霓虹色面条的发明者受到严厉审视。 The fluorescent foo

发表于:2019-02-18 / 阅读(179) / 评论(0) 分类 阅读空间

Kaleidoscope-like images are projected on the walls, and a long dining table lights up in a futuristic fashion. This is Ultraviolet, an exclusive eatery in Shanghai that resembles a scene from a science fiction film. The dining floor features a 10-se

发表于:2019-02-21 / 阅读(160) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
advertising color
aiw-
AL-226
anabiotic
anodize, anodising
Avlonari
barium titanate thermistor
bombay hemps
callen-symanzik equation
calouwe
capital dividend
cercospora zinniae
chine line of keel
church-woman
control chart for moving mean
Corund
counter flow range
creaming off
damaged tank
desperate remedies
drip-emitter
dummy run
electrical healing
electronic counter-measures jammer
emergency crew
etymol.
expansed
fall at
family anomalopidaes
flame proof machine
formal operational stage
Gagaoua
geographic limits
girl-os
have bone in the mouth
have scruples about doing sth
Heermann's song sparrow
highpressure area
history determined
Holodorm
Huto group
hydrophile-lyophile balance value
in - store promotion
indevours
inter-collegiate course taking
introfier
iusacell
joas
joist-hanger
justifiable expenditure
keddie
keeks
lanai islands
Lolaka
magnetic resonance spectrometry
manstead
martel
match condition
mentioning
merchandise exports
microfilm recorder
Minus key
moniliformin
Mookoppe-gawa
mutastein
Napier deltaic two stroke engine
nonassimilated
nonreductionistic
p'ing
paragraphical
parsing technique
parturiate
performance limit
Peronospora tabacina
Picard iteration method
picture automata
port management computerization
postcolonialities
preit
prodicting filter
prototrophy
pseudomacchia
rail ladder
reaction of inoculation
respackling
retroactions between function blocks
rod block logic circuitry
s value
salocoll
single port nozzle
skylight purlin
stravinskyan
Tierra Blanca
timed delivery
TKD
Toutcher, C.
uveitic glaucoma
vaticinator
villere
vitamin tablet
voyage schedule
whodunits