可达奇异点

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(299) / 评论(0) 分类 超大质量黑洞

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(31) / 评论(0) 分类 万物简史

Legal scholars in Senegal have a new website that makes the country's laws more accessible and gives Senegalese lawyers an opportunity to contribute their own research. The website is the brainchild of a U.S. law professor. Tracy Bach, a professor at

发表于:2019-01-14 / 阅读(47) / 评论(0) 分类 VOA标准英语2011年(一月)

Pre-Listening Vocabulary accessible: able to be used visually impaired: people who have low or no vision tactile: related to touch predominantly: mainly; most noticeably wallet: a folder for holding money and cards distinguish: to notice a difference

发表于:2019-01-19 / 阅读(44) / 评论(0) 分类 Facts-事实

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(50) / 评论(0) 分类 PBS访谈商业系列

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(39) / 评论(0) 分类 环球英语 Spotlight
学英语单词
-tome
Abarema
advising charge
air bubbles
ambiguity feature in progrqmming language
archicte
arcticology
article clerk
as sure as I am a living man
assate
assemble time
Bacillus popilliae
basal bone
bilge pumping arrangement
Boulia
calcium alkalinity
catproof
Chiarini
chrysaora quinquecirrhas
circular probability paper
CNC EDM wire-cutting machines
coastal water
code relay
colliodal osmotic pressure
crude data
cutaneous part
dustpanfuls
dysdera crocata
endogenous creatinine clearance rate
ependopathy
ethnomedicines
event scheduling
Fasciola hepatica
fire vehicle
fire-water
five-year cure
fixed chock
gemeentemuseum
ghost ship
gun-injected anchoring
half-frame
hamartoma of lung
Harry The Minstrel
Heinzenbach
helicopter service ceiling
infestans
jocu
Junggye
juvenile adenoma
keen interest
landwehrkanal
Langeland
leucopoietin
luminescent paper
magnesium lactophosphate
manticora
Melastoma
methylglycerine
microichthyurus satoi
nearline
Neiva
new bimetallism
nonstatistical behavior
open track circuit
optical isotropic crystal
penetrating frequency
pharyngolaryngeal
polycarpe
potential box
power house within the dam,inside dam power house
Prieska
professional engagement
protective colloid
putdowns
quarter crank
reduced cycle matrix
reflection thickness gauge
resensitizing
restaurer
retardatory
Rhynchospora faberi
ringus
Saludrin
Sialum
smart way
spleenish
sternogoniometer
suboptimise
summer-houses
superlunar
symmetric method
taclamine
tectonic type
thallium compound
touch button
tryptophan(e)
urbandictionary.com
us typing
vena segmentalis
ventrifossa longibarbata
wantonest
xenon cold traps