[数] 三角形的外心

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 突破英文词汇

Jason Lewis pedals his boat up the river Thames After 13 years and 46,000 miles (75,00km) a British adventurer has completed a round-the-world journey using human power alone. Jason Lewis, 40, crossed five continents, two oceans and a sea to become

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 Take Away English

bizarre love triangle 演唱者:deep blue Bizarre Love Triangle Every time i think of you每次我一想到你 I feel shot right through with a bolt of blue 就仿如一个晴天霹雳击中我心房 It's no problem of mine but it's a problem I fin

发表于:2019-01-03 / 阅读(136) / 评论(0) 分类 中英翻唱歌曲

MARIO RITTER: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Mario Ritter. This week, music from banjo-playing singer Abigail Washburn. And we answer a timely question about a tragic fire one hundred years ago that changed working con

发表于:2019-01-11 / 阅读(247) / 评论(0) 分类 2011年VOA慢速英语(三)月

I think the part that Lauras talked about that it has the year 48 on it, and the size of this plan and some other things, I think we may have found the DC3 that disappeared in 1948.That is my real hunch. And I really don't see many other options for

发表于:2019-01-22 / 阅读(128) / 评论(0) 分类 自然百科2010年

It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en

发表于:2019-01-22 / 阅读(171) / 评论(0) 分类 自然百科2010年

The couple use global-positioning coordinates to close in on the underwater wreck. We're about 3.6 miles away and its directly southeast from this location. A dark shape looms in the water. It's pretty close. It's easy to be fooled by clouds flying o

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 自然百科2010年

You don't have to move far up shore before the depths are tremendous and to be able to find an individual wreck in depths like that would be extremely difficult even with modern multibeam sonar technology, and certainly, incredibly difficult with a t

发表于:2019-01-22 / 阅读(126) / 评论(0) 分类 自然百科2010年

They looked for anything that may help identify the plane in the murky depths. You can see that may be 2,3 meters in front of you, yet at back, tremendous bottom motion of the water, if you dont hang on to something, it will move you really quickly.

发表于:2019-01-22 / 阅读(113) / 评论(0) 分类 自然百科2010年

Hurricanes may have helped build the myth. But writer John Quiza believes they cant explain all of the disappearances. Anything can disappear in foul weather, but for it qualify as a Triangle disappearance, it has to have the unexplainable quality to

发表于:2019-01-22 / 阅读(119) / 评论(0) 分类 自然百科2010年

The experiment proves that a rogue wave could have theoretically sunk the S.S.Poet. But Graber has spent 20 years studying this oceanic phenomenon. He knows there is no evidence to suggest that rouge waves occur more often in the Triangle than any ot

发表于:2019-01-22 / 阅读(153) / 评论(0) 分类 自然百科2010年

Unfortunately, the two airplanes were extremely similar, and even up till nowadays, they are still flying these airplanes, and there were literally thousands of these airplanes made. Greg Littles hunch that this could be the ill-fated 1948 airliner m

发表于:2019-01-22 / 阅读(114) / 评论(0) 分类 自然百科2010年

There's no doubt that a stream of giant bubbles could theoretically have sunk the U.S.S.'Cyclops'. Whether the bubbles were there or not, that's not for us to say. But I'll leave that up to the oceanographers. But could methane gas also explain the d

发表于:2019-01-22 / 阅读(137) / 评论(0) 分类 自然百科2010年

In our world of scientific discovery, one mystery endures. The Hoodoo Sea, the Limbo of The Lost, some seeing mysterious forces at work, others the powers of sea and storm. We dive into the deep. It appears to be a large military plane. And unleash s

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 自然百科2010年

In 1945, five Avenger torpedo bombers left from Fort Lauderdaleon a training mission, and they flew off into oblivion. We'regoing to fly east. We're flying too far north. We think we're 225 miles east of base. Their names would go down in history as

发表于:2019-01-22 / 阅读(121) / 评论(0) 分类 自然百科2010年

Gerrallan needs to escape the fast-developing cloud in order to survive. The tunnel was rapidly getting stronger, and it was a little lower at ten thousand feet to the center of the tunnel so we aimed for that opening and started descending down at f

发表于:2019-01-22 / 阅读(124) / 评论(0) 分类 自然百科2010年

Pierce thinks this powerful charge can electrify clouds in the lower atmosphere and create this supposed electronic fog. As this additional energy comes into the storm activity, it ionizes the air wall and this generates, quote, the electronic fog. A

发表于:2019-01-22 / 阅读(199) / 评论(0) 分类 自然百科2010年

Its two passengers are conducting an investigation into what they call electronic fog, a vapor that they think causes disappearances within the Triangle. Pilot Bruce Gernon needs to land the aircraft as soon as possible. The plane touches down safely

发表于:2019-01-22 / 阅读(140) / 评论(0) 分类 自然百科2010年

Of course, we're always hopeful that we can find the Holy Grail of the Bermuda Triangle search which is 'Flight 19'. But, but any plane that we can locate is a jigsaw piece of the puzzle of the mystery of the Bermuda Triangle. Deep in the heart of th

发表于:2019-01-22 / 阅读(154) / 评论(0) 分类 自然百科2010年

Some believe that massive underwater landslides or earthquakes can violently release gas from a substance called methane hydrate trapped beneath the sea bed. As its escaping bubbles rise, they lower the density of the surrounding ocean. The ship drop

发表于:2019-01-22 / 阅读(105) / 评论(0) 分类 自然百科2010年
学英语单词
aav
advertisable
analog digital converter
anchorage bar
antih(a)emorrhagic vitamin
application message
atlantico
atley
batch digestor
Batmobiled
beleiving
biological pump
Bourgmont
bristol paper
Cedar County
charopids
chloracetic acid
chromatism of magnification
clearance sales
cocktail party graph
construction layout
control panel and console
coupled axle locomotive
culmores
cytomegaloviruss
diosmose
dual-in-line pack-age switch
dutch belted rabbit
EARFC
electronic flight instrument
end-to-end anastomosis of rectum
English lavender
Euclid-solid
fieldmice
flat tool
flexible space structure
Floyd County
fluctuation chemistry
fluctuation of climate
genus laniuss
have sb.'s blood on one's head
hollmann
homopleural transplantation
humboldtilite
illuminatio
inadmissible decision rules
indicated glide path curvature
indirect discourses
inexact differential
lateral move and circular move sprinkler machine
leaf vein
linguistiques
lyso-sensitive bacteria
magnetostriction cavitation corrosion test
make the best use of
Mere words will not fill a bushel.
MMPL
mountain battery
navigational material
Nilai
non-sovereign act
nonchargeable
oakar
OCelt.
on the heavy side
oxycalorific coefficient
page printer data stream
partitioned data base
Patos, L.de los
perfecter
Pindaresque
plate-driving force
plating method
preprepare
pseudo-valuation
Punch-and Judy
quiescent luminosity
Rat Indians
ratio of two ratio estimators
scaled question
schedulize
set a broken leg
shell case
ship radio navigation aid
shot-firing control
shot-spot
single bevel corner joint
skateboard wheel
specialized store
strategic substitutes
subprogram off-loading
sunshades
T lymphocyte
Tatsinskiy Rayon
tegners
tetrapropylammonium uranyl trinitrate
thanos
vagabondious
vertical knife divider
wherewithals
worksop
Xyridales