[网络] 凯奇

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(412) / 评论(0) 分类 超大质量黑洞

MICHEL MARTIN, HOST: Tomorrow, dozens of competitors will take to the slopes at Mount Snow in Vermont for the annual world championship of jack jumping. No judgment - we never heard of it either. So Vermont Public Radio's Nina Keck went to find out w

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 2018年NPR美国国家公共电台3月

DAVID GREENE, HOST: So here's a question - what do you do when a medical device fails? And when it fails, who pays for it - the manufacturer, the hospital? Or are you stuck with the bill? Well, Dr. Elisabeth Rosenthal from our partner Kaiser Health N

发表于:2019-01-23 / 阅读(91) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
acetylacetonates
AHSP
american water storage association
amnio-chorionic membrane
anticheirotonus
appetising
artificial eutrophication
aslets
autocreation
avms
Baljit
Barbadoses
bed-space
beet piler
bewilderingly
bissetts
bog laurels
break-up yard
carastag
carpetable
cell'
Chbar Apeu
cognitive preparation
compactible elements
contagious granular vaginitis
contract right
copper-pan indicator
denotifying
dermato-ophthalmitis
dideoxycytidine triphosphate
dug a hole
dump someone
dwarf pocket rat
electrospheres
Enugu
episcopalians
epithioamide
family peridiniidaes
fasciculi obliquus pontis
fine jack frame
four-ball tester
Fourier transform operator
Gadamerian
gastric pouch
generation of alternatives
guadalupensis
halfbyte
honeycomb core sandwich composite
honolulu baby
inculture
infective inflammation
junction detector
laryngopharyngeal mirror
line blanking interval
loan secured by mortage
low commutator bar
low-noise cathode
Madras, State of
mainstreamists
malformed lingual fossa
mandibular cast
Martiniquans
methylprednisolone
moudiwort
movable finger
namedroppers
narcissuss
nonresident program
octopine
owensby
paill
palmar flexion crease
phosphoproteomic
pilot device
precociousness
preset tuning
profiled tube
quiet shifting
rotework
Saratoga chips
sayso
seat box
self-luminous compound
silylanization
steam-heating apparatus
succubae
support system
surveys
teaching mode
to mow the lawn
top the oil
total lending
Vallabrègues
vapor compression distillation
VFR between layers
vorshipfull
waves on
went a long way in
whitmees
winter-over syndrome
yancovitz
yen