可重生标识

Before long, the Aldens were walking through thick rows of apple trees. The wind swirled red and yellow leaves around them. Its pretty here, Violet observed. It is, Benny agreed. But how are we ever going to hear the ghost with all this wind? Henry s

发表于:2018-12-06 / 阅读(135) / 评论(0) 分类 67 The Mystery of the Stolen S

That evening, after an early dinner, the four Alden children met in Jessie and Violets room. We just have to help Seymour and Rose solve this mystery, Violet was saying as she leaned back against two of the lacy white pillows piled on the bed. All th

发表于:2018-12-06 / 阅读(129) / 评论(0) 分类 67 The Mystery of the Stolen S

Jesse Marcel remains convinced that there was one thing in the debris that could only be extraterrestrial. He described small metal-like I-beams with hieroglyphic symbols. The metal beam like our small miniaturized I-beam, and had these perplexed vio

发表于:2018-12-30 / 阅读(253) / 评论(0) 分类 国家地理2007年

Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i

发表于:2018-12-31 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

Tunnels in Gemstone Might Be Sign of Life Life has found a way to survive in some of the most extreme conditions in existence. Now, scientists believe they might have found a new habitat for microscopic organisms inside a mineral substance called gar

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 2018年VOA慢速英语(八)月

AS IT IS 2016-10-09 Scientists Create Realistic Model of Dinosaur 科学家制作逼真的恐龙模型 British scientists have created what they believe is the best three-dimensional model of a dinosaur ever built. They say the model is almost the ex

发表于:2019-01-12 / 阅读(233) / 评论(0) 分类 2016年VOA慢速英语(十)月

We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. Jed Rakoff, United States District Judge for the Southern District of New York. He spoke about forensic evid

发表于:2019-01-20 / 阅读(138) / 评论(0) 分类 2017年Scientific American(三)月

Forensic Science: Trials with Errors法医学真的科学吗 We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. 虽然对这一证据的怀疑日渐加深,但我

发表于:2019-01-20 / 阅读(128) / 评论(0) 分类 2017年Scientific American(六)月

What that circulation means to us human is that water is a moving target. We constantly have to seek it out in this endless cycle and intercept it wherever and whenever we can. This quest depend on water has played a defining role in human history. T

发表于:2019-01-22 / 阅读(123) / 评论(0) 分类 自然百科2010年
学英语单词
a man about town
additional emergency bilge suction pipe
after-fermentation
anaximenes
B lymphocyte
bacteriohemolysin
belcik
box type jig
Bradley Beach
branched root
buoyant weight
capetian dynasties
capital of Vietnam
castel bolognese
chemically polished crystal
cleromancy
collateral goods
coryphenes
dash on
dawing
degloved
devonshire creams
diamond borer
diapiric structure
difurfuryl disulbide
dissolved oxygen curve
dropping auger conveyor
duplication check
electronic remote control system for main engine
field crops
file relative record address
foreign client
free radical theory
froggatts
grandoe
growth axis
hazardous-duty
helen clark
hexacosanoic acids
high-frequency induction heating coating equipment
horizontao section of coal seam
hurt by a sting
hydroxyamide
hypermedia web
hypochlorite ion
incomplete hallucination
iron(iii) sulfite
jatropha urenss
jelly bellies
ladyship
LTCF
mandrel mandril
multi-satellite operations control center
multi-strategy
neocerebella
nonreserve
overfret
Pedro Afonso
Picea sitchensis
plasma transfusion
polynomial division
presynaptic portion
price boost
pump for hot alkali solution
pungo
quantified statement
replicase (spiegelman & hayashi 1963)
reserve fund of project
resonant wire torque transducer
ribbanding
Rosa miyiensis
sail on
sand blasting method
scarped ridge
scruffed
secondhand cars
sensitive period of teratogenesis
single-nucleotide
social controlling force
somatic position effect
sootball
soyan cloth
specifing reasons application
stimlje (shtime)
super slurper
superconducting device
suture of scrotum
swwa
taenia crassiceps
temporale canal
thoruranin
trade to
turn-off thyristor
tutoring
unidirectional clamp
UTG
vane wheel method
video hard copier
visbreaker
Whitworth coarse thread
zamfora
zemon