[光] 紫外光传感器

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(214) / 评论(0) 分类 Scientific American(十二)月

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(177) / 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(146) / 评论(0) 分类 自然探索

Play VideoHuawei's latest smartphone, boasting a three lens, AI-powered camera has been officially launched in France. The new P20 Pro device follows in the footsteps of competitors Apple and Samsung's latest releases by focusing on the camera's capa

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(138) / 评论(0) 分类 Scientific American(六)月

It was becoming clear how the brave and expert thieves pulled off the world's biggest gem robbery. From a flight of stairs in the diamond center car park, they used a stolen key to open the door leading to the vault, and there they somehow managed to

发表于:2018-12-26 / 阅读(138) / 评论(0) 分类 自然百科2013年

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(264) / 评论(0) 分类 (科普英语)Earth and Sky

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Scientific American(四)月

I was driving down the Santa Monica freeway yesterday, headed towards downtown, when all of a sudden I see my engine light come on. Needless to say, that's not the sort of thing one likes to see. So I immediately pull over to the side of the road and

发表于:2019-01-11 / 阅读(176) / 评论(0) 分类 地道美语播客

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(190) / 评论(0) 分类 VOA慢速英语2008年(七)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(151) / 评论(0) 分类 英语俚语天天说

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(172) / 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(189) / 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(147) / 评论(0) 分类 公众人物毕业演讲

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(153) / 评论(0) 分类 英语听力文摘 English Digest

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(304) / 评论(0) 分类 健康与经济

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(179) / 评论(0) 分类 英语新闻

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(221) / 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(191) / 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(173) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
adiabatic curve (line)
advanced instruction station
Andrada e Silva
baby shows
bacteria attack
Betting-machine
bitter lemons
brutalism
buttstrapped joint
candlestick tulip
carbon reistor
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coronet coupling
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d-stylopine
delarosa
deniggerizes
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Desacortone
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dynamic complex
each time when
engenderest
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feller buncher
fixed asset investment
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Gallocanta, L.de
gas isolated switchgear
genus archilochuss
Gia Binh
glider train
Granity
gun firing systems
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Herman, Woody
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high resolution spectrometer
Hospital Only
hover
howelsen
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hydrographic precision scanning echo sounder
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ifpri
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k'vith
kaffeeklatsche
Lagosian
longitudinal video tape recorder
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Mezdra
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Montanas
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municipalising
muscular rheumatism
negativize
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number of extra lengths
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programed learning
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Taraxacum junpeianum
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xdisp