音标:[,tetrә,haidrә'benzi:n] ;
四氢化苯, 环已烯

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 Scientific American(八)月

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(66) / 评论(0) 分类 阅读空间

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(48) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
agro-economic zone
akinetopsia
Ameson
Andocs
anhelant
automatic station identification device
barbula gracilenta
Bopfingen
Bridgman seal
brush-type structure
c.m.c.
calf muscles
calf roping
cannoted
caoles (caolas)
chafir
Cherëmushka
color management module
complete disarmament
Courlay
dabrat
decit decimal digit
deep-well turbine pump
delay valve
demerger
eating disorders inventory
electrocardial potential
engine oil licensing and certification system
flexible lamp
foreign accent syndrome
genus Catalpa
grid focusing properties
haleru
hand on your heart
helitron oscillator
high-pressure diaphragm pump
horned circuit breaker
instant noodle
insulated neutral
Kasaan
knocks off
Kushnarenkovo
land pollution
lateralizing
le-compte
leviable transaction
ligniere
lower motor neuron
margin gain
mechanical pressure atomizer
Mermentau
mudscape
mycobacterium lepraemurium
non-print character
normal to a hypersurface
overplacing
pedestrian overcrossing
penetration course
Phytomonas
pin one's faith upon
pleasuring
plica stapedis
population cytogenetics
positioning motor
pterolophia kanoi
pteryla
random fragmention model
red deliciouss
reed release motion
remitter
rent a husband
resale material
ribbon reverse control
Richelieu
sailworthy
San Andres Mountains
scoopwheel
screw with flat head
seabarrow
semiannual bonus
sestine
Setext
Sicaguara
silent third speed
social sector
solid electron beam
spam bot
stationary open system
stress-strength time model (sst model)
stutter tone
supplementary provision
synoporia
task-oriented group
tawny eagle
tbb
time-controlled master switcher
toll telephone
transportation route
twopoint breaker
undecene
unit structure
upstater