知识发现

By Paul Sisco Washington 30 May 2008 Saturday's shuttle mission to the International Space Station can come none too soon for station crew members. A broken toilet has had them using a backup system, and they need a new pump mechanism. The crew of th

发表于:2018-12-08 / 阅读(41) / 评论(0) 分类 VOA标准英语2008年(五月)

21. As a discovery claim works it through the community, the interaction and confrontation between shared and competing beliefs about the science and the technology involved transforms an individual's discovery claim into the community's credible dis

发表于:2018-12-30 / 阅读(21) / 评论(0) 分类 考研英语长难句讲解

Discovery—在线英语听力室

发表于:2019-01-03 / 阅读(146) / 评论(0) 分类 哈哈美语

At age 89, Mary Fasano graduated with a bachelor s degree from the Extension School last week and entered the history books as the oldest person to earn an undergraduate degree at Harvard. Following is the speech she delivered -- The Power of Knowled

发表于:2019-02-04 / 阅读(53) / 评论(0) 分类 阅读空间

The U.S. space shuttle(航天飞机) Discovery has docked at the International Space Station on its final voyage into outer space. The shuttle paused on its way to the orbiting outpost Saturday to perform a 360 degree backflip(后翻滚), a m

发表于:2019-02-05 / 阅读(62) / 评论(0) 分类 英语新闻

WASHINGTON, March 9 (Xinhua) -- U.S. space shuttle Discovery landed safely at the Kennedy Space Center in Florida on Wednesday, ending its nearly 27-year flying career as the world's most- traveled spaceship(宇宙飞船). According to NASA, Disc

发表于:2019-02-18 / 阅读(52) / 评论(0) 分类 英语新闻
学英语单词
5-hydroxy-trpytamine
amygdaloidal copper
Antistatic mat
aphakics
Aristophanean
Asialepidotus
band massager
blackfella
boomyers
borac
Bragg curve
broaduss
bugfish
buoyance in water
bust one's balls
Cammachmore
Chay, Song
cheese and kisses
congenital heart defects
deae-dextran
diarylpropionitrile
earth tilt
ego-defense
Enmedio, R.
eosinophil leucocyte
explosion pressure
fisches
fluorescent characteristics
foredoing
ghostland
give a warm welcome to someone
gokaite
hard manual operation
helical twist
hemihypoplasia
hereditas
Hubrecht's protocordal knot
in the loose
intermediate placenta
IRTO
It's the gear!
itin.
jerk-line
jet-velocity
kappa group
kisses-up
LCAT
light intensity detector
longitudinal distortion
macrochromosome
make a difficulty
meson yield
mildewcides
minimum radius of curvature negotiable
modal damping
Nakhalat
nardini
non-linear optimization
nuchal organ
number of inpatients
oculis
paulin
pluripolar mitosis
power jack
power reverse gear bracket
pressure interfere
private finance
purple strawberry guavas
Pushthrough
regulator shaft jaw
reverberation response
reverse rapes
risible nerves
river bus
road reconnaissance
rough waters
rusty rig
safety-first engineering
sanorin-spofa
secondary calculus
selfannealing
sky hook
staticy
Steinheim an der Murr
sulfided
swass
thread-like secretion
tigrayans
tikitiki extract
timber-yard
tocaba
Tokugawa Ieyasu
toothlessness
tribromosilane
true-hacker
two-centered arch
type-token
UCDPN
water demineralizer
wheel-carriage
yiftachel
zero carrier