光子雪崩

Police in California are providing new details into the Christmas Eve slayings in the town of Covina that left nine people dead and a number of others severely injured. Los Angeles police chief Kim Raney says 45-year-old Bruce Pardo who entered a ho

发表于:2018-12-02 / 阅读(108) / 评论(0) 分类 2008年NPR美国国家公共电台12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(109) / 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(119) / 评论(0) 分类 Scientific American(十)月

I'm Asieh Namdar at the CNN.com news room in Atlanta. Here is a look at what is happening NOW IN THE NEWS. The polls are open in South Carolina. It is the first southern state to hold the Democratic primary this year. And the stakes are high for all

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 商业报道2008年(一)月

Good afternoon from the CNN Center in Atlanta. I'm Reggie Aqui. Thanks for checking in. Here is a look at what's happening NOW IN THE NEWS. Former Senator John Edwards has officially announced that he is dropping out of the presidential race. Edward

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 商业报道2008年(一)月

Milford Sound in Fiordland is the number one tourist attraction for many overseas visitors to New Zealand. However, it is not easy to get there. Many tourists choose to take a bus trip from Queenstown to Milford Sound and return in one day. The dista

发表于:2018-12-31 / 阅读(115) / 评论(0) 分类 新西兰英语

大风肆虐波兰 WARSAW, March 17 (Xinhua) -- Gales, mostly in central and northern Poland, have blown over thousands of trees, damaging cars and cutting off power supply for thousands of homes. The gales hit Poland over the weekend and Monday and

发表于:2019-01-07 / 阅读(113) / 评论(0) 分类 英语新闻

1. Security has been increased at the Port of Miami. The FBI says 3 men of Middle Eastern descent were caught trying to slip past a checkpoint in a cargo truck. Authorities say the driver lied about being alone within the cab. The other 2 were found

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 美联社新闻一分钟2007

By Paul Sisco Washington, DC 10 January 2007 watch Avalanche Safety report Avalanche! is the most frightening alert a mountain traveler can hear. Uncontrollable snow slides in the world's mountainous regions -- from the Himalayas to the Alps to Nort

发表于:2019-01-11 / 阅读(141) / 评论(0) 分类 2007年VOA标准英语(一月)

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(150) / 评论(0) 分类 2017年NPR美国国家公共电台7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(115) / 评论(0) 分类 TED演讲教育篇

So what comes next? The people. 那么接下来呢?我们的百姓。 How do we get people to own this? 我们如何才能让人们去接受这个想法? How do we get people to believe that it's possible to build a society without fossil fuels? 我

发表于:2019-01-18 / 阅读(91) / 评论(0) 分类 TED演讲国际问题篇

In the predawn hours from high in the Wasatch Mountains, Salt Lake City looks like dancing fireflies. You're climbing to an elevation of 11,000 feet, just to make a morning meeting. Forecast is for increasing clouds, one to three today, four to five

发表于:2019-01-22 / 阅读(94) / 评论(0) 分类 自然百科2010年

PARIS, Dec. 5 (Xinhua) -- Heavy snow and cold snap swept across France over the week, putting many regions on high alert about extreme weather and causing traffic delays and cancellations. On Saturday, heavy snow, as expected, fell across the Ile-de-

发表于:2019-02-02 / 阅读(103) / 评论(0) 分类 英语新闻

The height of a swathe of the Himalayas has dropped by around one metre as a result of the devastating Nepal earthquake, scientists say. 科学家指出,在尼泊尔大地震后,喜马拉雅山脉下降了大约1米。 But they add that the drop

发表于:2019-02-03 / 阅读(82) / 评论(0) 分类 英语新闻

2006职称英语考试模全真拟试题理工类C级(二) 第一部分:词汇选择(第1-15题,每题1分,共15分) 下面共有15句子,每个句子均有一个词或短语划有底横

发表于:2019-02-07 / 阅读(131) / 评论(0) 分类 实用英语

1. The first votes in the New Hampshire primary were cast just after midnight in Dixville Notch. Mitt Romney may be the favorite Tuesday, but his rivals are also looking for a good showing. 2. The New Jersey Assembly's top Republican leader has died

发表于:2019-02-11 / 阅读(153) / 评论(0) 分类 美联社新闻一分钟2012(一月)

1. Joe Paterno and other top Penn State officials hushed up child sex abuse allegations against Jerry Sandusky. That's according to a scathing report issued today on the scandal. The 267-page report is the result of an eight-month inquiry by former F

发表于:2019-02-11 / 阅读(167) / 评论(0) 分类 美联社新闻一分钟2012(七月)

瑞士南部雪崩致四人死亡 GENEVA, Jan. 5 (Xinhua) -- At least four avalanches took place on Sunday in mountain ranges of the Alps in Valais, a canton located in southern Switzerland, killing four people and injuring another. According to the

发表于:2019-02-18 / 阅读(96) / 评论(0) 分类 英语新闻

There was too much snow on Mt Lyford in North Canterbury yesterday. Last night 250 skiers had to stay on the mountain in the day lodge. The road was closed because of high winds and the risk of avalanches from so much snow. It was too dangerous for c

发表于:2019-02-25 / 阅读(99) / 评论(0) 分类 新西兰英语
学英语单词
absorptivity
acceptance of an order at below-cost price
advanced training machine
afunction
amaranthaceous
anti-dazzle lighting
arcula
Ascran
atlasovite
backward wave in traffic flow
blow-out
bronze turkey
Calligonum squarrosum
caption nut
cellulars
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credit unions
cyan layer
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dantas
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embolized
entrepreneurtia
F.L.B.
ferruginous ducks
fire insurance office
fixed stop
forward delta
four wheel drive grader
funbag
genus Rana
ground controlled approach radar
halibiotic
hand car
hexacose
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i have it
imperfect competition
implicaion
inner diameter of the recorded surface
installed generating capacity
magnetostrictive resonator
mainboom
marker-assisted introgression
masking paper
Miehlen
Milner Ridge
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Name not a rope in his house that hanged himself.
neochondrogenesis
net position risk
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overbusying
peacherino
pegm
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photo ops
piggin
Potentilla inclinata
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procurers
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Rhus wilsonii
Sagon
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shahrazad
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take up loan on securitites
thinks nothing of
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tiry
top bars
transport truck
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u-shapes
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usdi
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veramine
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win the battle
work storage
workflow process wizard