甲(氧偶氮)基

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(六)月

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(88) / 评论(0) 分类 农业与发展

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(48) / 评论(0) 分类 英语博客 A cup of English

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(69) / 评论(0) 分类 英语博客 A cup of English
学英语单词
acetysalicylic
acid material
annual magnetic variations
area of restricted access
artificial white signal
autumnal constellations
average heading
benzoylphthalic acid
bituminous rock
bivariate normal distribution
Blind Tom
candlepower units
colter lift
comparison measurement method
constant drying condition
continuously variable transmissions
cuntwhore
davidon
depressed sewer
dial key
diary log
dieffenbachia picta
disk utility program
ebonlore
encephalopathia
Enton
fancy up
framework silicate
genus rachycentrons
give sb the cold shoulder
glucose-fatty acid cycle
grain boundary viscosity
guarantee capital
gum filler
hebrew-language
hexagonal prism of the first order
high-temperature enamel
Homona coffearia
hp turbine
International Conferenc on Marine Pollution
isfahani
Jack Dempsey
knock-on reactions
Lake's pigment
listsibs
loss-of-load transient
magnetic ledger
Makoja
Malleus maleficarum
maritime radio navigation land station
mathematical characterization of continuous image
memorial hall
mesodermal crescent
molybdenum(ii) oxide
moving coil type voltmeter
mudwall
muratorio
negative zone
nominal gas flow
on the telephone
on the tip of the tongue
over compensation
palaeoequator
pleural transudate
potassium acesulfame
preformulated
presidential electors
pyreticedema
Qezel Kotal
refrigerant distributor
regular icosohedron
reliability of use
residual charge
rheophore
rotating reading head
Sabinal
shell molding sand
situation theory
slowplay
spark hardening
subligaculum
sun-hats
syzygy
talking head story
tartaric acid solution
taxi-channel light
tecto-
temperate climate with summer rain
tender deck lamp
the society of Jesus
third-generation computer
tomfooleries
trioses
unary expression
under-sequence
unit cell constants
uprooted
uptails
valenciennellus tripunctulatus
welcome to paradise
ziani