[等离子] 位形空间的不稳定性

By Alex Villarreal Washington 31 October 2007 NASA has delayed the fourth spacewalk of a complex two-week mission by U.S. space shuttle Discovery to boost the capability of the International Space Station. The walk, originally set for Thursday, is no

发表于:2018-12-08 / 阅读(35) / 评论(0) 分类 2007年VOA常速英语(十月)

As the old song has it, breaking up is hard to do. 正如一首老歌唱的一样,分手太难。 Not only is there the emotional angst, but in many cases one partner has to pack up and move out. 这困难之处不仅在于情感上的忧虑,在许

发表于:2019-01-06 / 阅读(33) / 评论(0) 分类 阅读空间

GWEN IFILL: And Miles joins me now.What is the latest on this feathering device that you talked about in that piece? MILES O'BRIEN: Well, the idea with the feathering device is that you should never deploy it going up and you should always deploy it

发表于:2019-01-27 / 阅读(27) / 评论(0) 分类 PBS访谈社会系列

By Alex Villarreal Washington 01 November 2007 NASA has delayed yet again the fourth spacewalk of U.S. shuttle Discovery's two-week mission to boost the capability of the International Space Station. The walk, originally set for Thursday, was first m

发表于:2019-01-31 / 阅读(24) / 评论(0) 分类 VOA常速英语2007年(十一月)

By David McAlary Washington 14 July 2006 Expedition 13 crewmember Jeff Williams, left , work on the Interface Umbilical Assembly, the failed component of the railcar system, with commander Steve Lindsey in the Destiny module of the ISS Astronauts ab

发表于:2019-02-03 / 阅读(87) / 评论(0) 分类 2006年VOA标准英语(七月)

Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca

发表于:2019-03-12 / 阅读(233) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
admissibility condition
alteconazole
Amfithalite
apiolin
at a draught,
atherosclorosis
Baltimore chop
bement
biologicals
break even level
Bromfenex
buffer-block
Cantareira
centre line marking machine
chrysorrhetin
cirrholite
classified taxation
clockwiseness
Clomaeran
colobium
common assault
concavely
continuous drawing
Cryptocarya concinna
de-excite
dead-accurate
debituminized
desk jockey
Dirbas
double reflection tube
duplex steam piston pump
echo logging
edmas
elapsed
enneapterygius unimaculatus
faetuses
fatthernode
genetic code dictionary
geological landscape
Ghazni
glycerol iodohydrin
hairychested
hamular process (or hamulus)
handkerchief table
hanging loops
have need to do something
heat expansion coefficient
hexofuranoses
hot work tool steel
hyoid copula (or copula)
iithotomy forceps
immobilons
in the old days
innovation ability
inorganic coagulation
inscrit
interior cold syndrome of deficiency type
julianists
keep your options open
kryptocyanine
laboulbenia torta
last stage blade
laureating
Leek Wootton
liquid oxygen explosive
mahonias
marine biogeographical region
microwave height finder
midwifely
mini-budget
mixed-flow water-turbine pump
Mr
nightviewer
no pets
noise overshoot
North Canton
number class modulo N
optic(al) switch
outside admission valve
paddle wheel vessel
Panoplosaurus
preliminary legal review
protoplasm doctrine
radioactive micrometer
regulatory theory
rise heading
Ruthton
sailor's shore pass
SARCAP
smilacicola apicalis
softbottom
solubilization chromatography
suppositiously
tamelessness
traffic barring
transformational leaders
transportation in clerical operations
Turka
vigo
vitaminB5
waterblommetjie
Woodhead