[数] 可去奇点

If it points the camera forward, at first it sees only black. But as it moves toward the heart of the black hole, it encounters the most bizarre place in the universe. A black hole in massive gravity holds everything down to an unimaginably small poi

发表于:2018-12-07 / 阅读(613) / 评论(0) 分类 访谈录2010

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(792) / 评论(0) 分类 超大质量黑洞

Zimbabwe wants small business to be able to get credit to start or grow a business. If the countrys Parliament approves a bill proposed last week, business owners will be able to use cows, cars, machines and other movable property to secure loans. In

发表于:2018-12-07 / 阅读(592) / 评论(0) 分类 2017年VOA慢速英语(四)月

In either case, get ready for a really big bang. 无论哪种情况,准备好来一次真正的大爆炸。 Naturally, you will wish to retire to a safe place to observe the spectacle. 很自然,你希望退避到一个安全的地方来观察这个

发表于:2019-01-01 / 阅读(425) / 评论(0) 分类 万物简史

Chinese medication 看中医。 My back was hurting.我的背很痛。 Mum took me to see a Chinese hurb doctor.妈妈带我去看中医。 The doctor said my back was hurt because my spinal core was inflamed.医生说我背部痛是因为我脊椎神经发炎了。 I'm not allowed to w

发表于:2019-01-02 / 阅读(482) / 评论(0) 分类 不用背句型学英语

博客革命发起之母,博客发布系统Movable Type的Mena Trott谈她早期的博客经历,她发现让普通人能够在线分享生活是使世界更友好,联系更紧密的关键。

发表于:2019-01-17 / 阅读(461) / 评论(0) 分类 TED演讲视频集

今天我们要学的词是injury。 Injury, 伤病。 He sustained a foot injury during the first quarter of the game, 他比赛第一节脚就受了伤。 He is out for the entire season due to a knee injury, 他因为膝部受伤,整个赛季都不

发表于:2019-01-25 / 阅读(455) / 评论(0) 分类 英语每日一词

JEFFREY BROWN: Now, mining technology to solve the world's problems. NewsHour economics correspondent Paul Solman recently traveled to California and filed this report on someinnovative thinkers. It's part of his ongoing reporting Making Sense of fin

发表于:2019-01-27 / 阅读(511) / 评论(0) 分类 PBS访谈商业系列

今天我们要学的词是injury。 Injury, 伤病。 He sustained a foot injury during the first quarter of the game, 他比赛第一节脚就受了伤。 He is out for the entire season due to a knee injury, 他因为膝部受伤,整个赛季都不

发表于:2019-02-18 / 阅读(468) / 评论(0) 分类 英语单词荟萃

Voice 1 Welcome to Spotlight. Im Christy VanArragon. Voice 2 And Im Joshua Leo. Spotlight uses a special method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Every day, Ray Kurzweil swallows

发表于:2019-02-21 / 阅读(476) / 评论(0) 分类 环球英语 Spotlight
学英语单词
adiabatic scanning calorimeter
ambulacrum
annit
arsenic pentasulfide
beam stripper
biliteracies
bistovol
blood sugar concentration
blood-borner
bodv
calcioandyrobertsite
camouflet
claudicatory
Coc Leu
coil-in-box coller
collapsible anchor
conventional interest
desever
developed reserves
dicasteries
dimmick
durable seal
dust collector
earth free
elastose
engineer scale
ercolania boodleae
excitable areas
exotrophic mycorrhiza
flame pulsation
Friedel-Crafts-Karrer nitrile synthesis
Frondosum
fucosod
gear lapping with corudum
general nature
glass sealed thermometer
going with you
grauniads
high specific density solid
homotaurine
Hood Pt.
hydrodynamic characteristics
inquirous
John Paul II
key factor
Lebiasinidae
Lonicerapollis
microseismoscope
moon the giant
moving-weight stabilizer
mugearites
multiple factors method
narrable
nerita
Nisbet's chancer
number of eggs ovulated
odora
parallel search type memory
parcel list
pelvic limb (or hind limb)
Perro, Pta.del
pilot tunnel method
potassium pentauranate
prelegal
process oil
proroguing
pure arbitrage
qualitative credit control
reticulons
roentgenographies
rotatory condenser
rough numbers
ruttman
sampling hole
sandaracs
Saskatchewanite
scheeles
scrapable
sector
short-sea trade
side-hand
slather
slingin
soft-sell commercials
soldering acid
sonic flight
South Northamptonshire
static behavior
sub-audible
sukashitrochus carinata
T sign
telecopied
too sharp by half
torondel
torulae
tracking stock
turning zone
typhoid pleurisy
unbounden
underwriters pay fee
watch your weight
xanthated gel