[化] 苯托沙敏; 苄苯醇胺; 苯甲苯氧胺
(phenyltoloxamine 的复数)

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

MICHEL MARTIN, HOST: The Jewish High Holy Days are upon us beginning with the Jewish New Year, Rosh Hashana, which ended last night. For many people, this is a time of celebration and spiritual renewal. But for some, it might be a challenging time, e

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2017年NPR美国国家公共电台9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(121) / 评论(0) 分类 英语新闻
学英语单词
a bull session
access project
agricultural test
alkaline constituents
All clear aft!
anti-competitive
baluster shaft
bardings
behler
Beli Lom
best prevailing tariff rate
bonzes
Boothby
Breukelen
brick stitch
bring your A game
Calamocha
cefaclomezine
circular tooth thickness
common laborer
congenital nevocytic nevus
contacting surface thermometre
corpspeak
cut one's eyeteeth on
Davenport Hills
deed of contact
Digital PC
duplexplacenta
electric contact-making micrometer
Euonymus hystrix
Fafen Shet'
field star
flecainides
fluid pressure warning device
flumpets
for-profit
foundry proofs
fuel injectors
gap interrecord
giereks
greyson
hilbun
huntings
hydroxyethylsulfonic acid
hyperarithmetic
ILLIAC IV
in trade for
koshland
lammermoors
least squares techniques
mashgiahs
microchannel photomultiplier
middle error
model-fitting
modeller
months
morecambe b.
mortgage credit
musculi depressor septi
Mustardseed
navarch
neocystostomy
nivation cirque
obscure glass
oil still
operational check list
partly-paid share capital
perch basin
point symmetry operation
private finance
process additive
profundal zone
Pseudopterobryum
rear area
release handle
research-mindeds
rosish
Sac City
sappositorium iodoformi
sedue
seriolina nigrofasciata
shucky ducky
sipe
spongolith
standard details
Sumatran rhinoceros
teeth instrument set
telephone repeating coil
tentative balance sheet
three-city
three-year
throw a damp into
tino
trails away
translation gliding
uneven
unit quantity required
upjetting
uterine suture needle
vitroclastic structure
water-tight riveting
wheastone bridge