[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(111) / 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(93) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
agnition
algebraic problem
arctic fox
asymptomatic infection
attack commercia
birdling
bounded intervals
bullhead city
Calmette's sera
canned motor
cartilaginis auris isthmus
Charles de Gaulle Airport
Cisco ASA
command program
corrosion expert
current budget obligation
cylinder knocking
disbarked
dividing reed
double gun and dual trace oscilloscope tube
draconianly
dyad (nemec 1910)
elastances
electoral law
electro-antenno-gram (eag)
external label
facsimile teleghph
fawthrop
first-ratest
forward mutation assay
gasoline substitutes
golden oak mushroom
gonopophysis
granular fertilizers
ground zeroes
hard rolls
heat removal fluid
high impact polyethylene
high school extension
holdens
hollow core cable
holographic grating
hydrophobically
importunably
indirect heating boiler
integral component
intuitivism
johann ecks
Khatti
let loose the dogs of war
lindera chunii merr.
macromineral
mandolinists
mathematical model of a synchronous electric machine
mature-economy thesis
membrana vestibularis
Nemira
Netherlands
nonlinear distortion factor
omizo
pedal travel
Pentium class
pipet rinser
plurilateral trade agreement
positive blanking pulse
practical marine engineering
programming calculator
proletariates
punching type
radial bone
Ranyah
reachability of system
rear main bearing oil seal
rectal palpation
reduction compass
rivularia atra
rlc circuit
rongalite discharge
Rumex amurensis
self-sealing pneumatic tube system
single closed shell nuclei
sinnses obliquus pericardii
Sipsa-dong
speech-act
spraytight
spring biased valve
statutory release
steno bredanensis
strassmann
submersible transformer
the Federal Reserve System
throute
timeling
tooth germ basement
Trisbuffer
twinchargers
twombley
vtor
WAACS
wearies of
Wetzlar
whiskeyed