[化] 苯胩

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 Scientific American(十一)月

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 2006年VOA标准英语(五月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(118) / 评论(0) 分类 英语新闻
学英语单词
acceptance of work
agogwe
air delivery equipment
anti-society sexual action
augier
auricula atriis
bakers creek
barilla
BCG-CWS
beulcer
blowout preventer stack
burst-energy-recovery efficiency
by correspondence
by line
camera oculi
campherol
cardiac crisis
chanko
character assignment
climate regionalization
communication terminal controller
compound configuration
condition field
control orders
creeping ulcer
cryogammaglobulin
current market-value
cut off computer
dictamnolide
dispersoin medium
duck-billed cat
ear-rent
en croute
enchaunters
four wheel steering
funds for foreign exhcange settlement
genus Sphaerocarpos
goat-liker
gripper loom
guava
Halder
hand something to someone on a plate
hariq (al hariq)
hopper container
IMPATT diode
indirect address
jibrils
job-relateds
kelthys
kernel software
kettl
Kharakvasla L.
larcener
letter e
loco-motions
lowenstein
main supply
maracuja
methyliodide
morphe
mowcht
nutritional-supplements
onion-skins
organic burn
over-eatings
parainsular
payn
perils of the sea execption
pigment orange
piperonylalcohol
positive resistance
post-oral
PPSO
primordial root
proliferation of synovial fringes
resimulated
rotundine
roundness measuring devicement of stator
seeding location
senior ship radio officer
Serious Bodily Injury
space charge dynamics
specialty hair fibre
stock up
subsequent number
sudden short wave fade-out
system interdependency
system of personal responsibility for profit and loss
techgnosis
timing data distributor
trace form
traffic trend
two-way ribbed slab
unspan
upraise room
utilizing advanced technology
Venendaal
vested school
virgin voyage
virus yellows
X-ray technique