音标:[,fenәl,^lai'ɔksәl] ;
苯甲酰甲醛

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

An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b

发表于:2019-01-09 / 阅读(111) / 评论(0) 分类 趣味英语

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
-toned
a-b box
absorption of electrons
accessoriness
adiences
ae indicator
antinormativity
arthrometry
AstroTurf
attractest
AUBC
backing register
barium hypophosphate
bending crack
bettering method
bisymmetric
booking fee
brillhart
Browse I.
bushing puller
Camellia magnocarpa
canalicule
cherchers
close-in neighborhood
Cockpit Country
communication network management
cordwood micromodule
core splitter
cox
cubic zirconium
customs bureaus
cyclical income index
cytoplasmic localization
daredeviltries
dyrrachium (durr?s)
Eustigma
exempt wholesale generators (ewg)
eyebrow pencil refill
feedome
Fenac plus
flateous
flossed
free-wheel rectifier
fujisankei
genus Petaurista
Haddenham
Hayling I.
Heinrich Julius
high-level single exposure
high-voltage fuse
hoplolatilus marcosi
HVDC coupling system
hygroscopic matter
interior-warming drug
Isnäs
isoentatic line
isopterygium albescens
Japanese Industrial Standard
Kaes-Bechterew's layer
left open interval
lifeless rubber
light shielding
logical I-O function
long standing issue
Loran C alarm
loud system
lxviest
macromia berlandi
message control program
microphony
multikeyway
multipurpose satellite
Muromachi
nang ma
old moneys
once-radical
orange r.
orange tincture
p-menthane
poisonous fungi
practical econometric models
predevelopment
prefossette
pseudo-unconformity
pulps
receptor chemistry
russula flavida
spirane structure
stedfastly
swayed
sweep frequency
tectum nasi
Tel'mansk
to the best of our power
violinism
watch box
water milfoil
welded rails
whennes
Winseldorf
wire-mesh
y intersection