[化] N-苯基甘氨酸

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'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)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

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(115) / 评论(0) 分类 英语新闻
学英语单词
acculturates
aelurophobes
Aid,-Aid
ammonium seccharin
antisocially
anyaokus
aserradero los charcos
astatic pair
beam electronic current
beam-splitter mirror
between-servant
binary logarithm
blue-talc (penninite)
bus routes
cacs
called it a day
caman
Camares
chama dunkeri
cigarette-cards
colloquys
colour disk
discontinuous zone electrophoresis
disfair
dive-bombed
double pledating
duplicate bridge
factum
flowerest
fore-game
four point switch
freehouses
fuck about
Gegechkori
general-purpose operating system advanced assembler
GM_verb-phrases
gonidium
handys
hessians
Ilex saxicola
Iran, Peg.(Iran Mountains)
kicking shunting
knock into shape
krypton 84 reaction
largierly
Manuel, L.
market development
matcha
Maurusian
mixed pickle
monkey puzzle
nodi-
nymphoid
oil repellenet
Omchak
omnidirectional ranging
other significant handicaps
pentadecene diacid
permanganyl chloride
photographic density
pixi(l)lation
plane-tary gear drive mechanism with small teeth difference
polystichum piceoaceum tagawa
present value of l yuan
quartz-melaphyre
Raglan Ra.
ratafias
recording aneroid barometer
regasifying
Revolyutsiya, Qullai
rihid coupling
rules of interpersonal behavior
rust yellow
saggy
sawmill
selane
selection advantage
share incentive plan
shorenstein
Shrove Tuesday
shunting signal disc
siboney
silkligatur
sintomicetina
Solder trap
Spiraea hingshanensis
sports sponsorship
tank table
tensile-strength tester
thora-centeses
toggle-joint brake
trial process
umbrageousness
under the pretence of
under view mirror
underemphasizes
vectororiented
w.o.w
weather gauge
wilson technique
yandy
yogurtlike