井壁踏脚孔

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(318) / 评论(0) 分类 超大质量黑洞

EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s

发表于:2018-12-07 / 阅读(69) / 评论(0) 分类 2011年VOA慢速英语(十一)月

[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting

发表于:2018-12-26 / 阅读(44) / 评论(0) 分类 温馨夜读II

Supermassive Black Holes Muse oh baby dont you know i suffer? oh baby can you hear me moan? you caught me under false pretences how long before you let me go? you set my soul alight you set my soul alight (you set my soul alight) glaciers melting in

发表于:2019-01-03 / 阅读(56) / 评论(0) 分类 电影歌曲

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2010年VOA慢速英语(十一)月

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(67) / 评论(0) 分类 VOA标准英语2016年(九月)
学英语单词
absolute pyrheliometer
anatectic earthquake
anti-drug laws
apolipo-poteint
attestably
audit evidence
auditing body
birthrate
Bobbittize
bound-type
brassware
buckbean
Buckeye State
Bugoyfjord
business return
Bustard-Pigeon
C3bi
Car Manufacturers Institute
chloralkane
circling point
cismale
collinear antenna
colour threshold
common laburnums
complex root
credits
dacryohemorrhysis
declaration of will
delft-blue
delivery procedure
depoliticised
Dogtoothgrass
dosage indifference
drop axle
earthquake sociology
effective mirror ratio
ensophic
ETHA
even sided manner
genetic mother
genus Saururus
grimm's fairy tales
hash table method
Hesperornithiformes
hexacosane
hood-mould
knuckle-walk
limestone hawksbeard
line deflection system
Liparis hensoaensis
literary critic
machine code language
maddern
make progress in
mammato-cumulus
mathematicians
mclarens
Meredosia
monomethyltrichlorosilane
myxazins
narendranathans
natural distribution
nemorosum
octostemonous
okaloacoochee slough
outward substantial variation
parotid duct cyst
plemmirrulate
Polygonatum cathcartii
preliminarily enjoins
private branch exchange line
project owner
pseudo academic
put someone into service
Qaboos bin Said
radix aconiti feri
rectangular mesh screen
Reed-Muller circuit
reinforced knitted fabric
riboflavinylglucoside
road transfer
seabeach park
senior officers
sensualization
side-discharge shovel
socket ring
static course stability
stoneboats
swimming pool conjunctivitis
syphilid lenticularis papulosa
tertius gaudens
thickness shear
tiffney
tinfoil hatters
upskier
value of service pricing
variable velocity
water to carbide generator
weathering index
yawing frequency
youngstowns
zooxanthellates