二硝基苯磺酸盐

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

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 英语对接游戏

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(78) / 评论(0) 分类 健康与经济

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

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(62) / 评论(0) 分类 听播客学英语

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
A.M.E.
ABC control
Anton Chekhov
asynchronous photograph
bachelordom
basal artery
be dished out of sth
Beaten oil
Bessan
bismuthism
blanket lien
boiled sweets
calculated fuel consumption
certified information systems security professional
clemastine fumarate
cocrete sprayer
commission for collecting
company earning
couses
degree of ramification
Dendrolobium lanceolatum
depolarization factor
dibotryoid
diepoxides
diplegic idiocy
divided off
dust resistivity
Elbie
endothelial tissue
eruptive stage
erythropoietin(EPO)
Etilfen
exciter selsyn
exit to
experimental printing machine
first character
Fortunatus
gauge of wire
Gonatanthus pumilus
hammer off
hebestoma
high orbit mission
Hollywood bed
indorsement of mate's receipt
instant watch
intersexualized
investment bin
kalakaua
Kashangaro, Jabal
MICHAELA
mould train
mouling
navy navigation satellite system (nnss)
Orangespotted
over-shadowed
PA's
particle structure
pedir
pennario
pistillate flower
pot bound
prayer wheel
preirontal fog
processing atmosphere
pull out type fracture
pulp gangrene
radiofrequency thermocoagulation for facial tic
RDOS
reclose
rectostomy
rose bug
Sabana San Juan
Sad.
sampling probe
San Antonio de Esquilache
Santa Rosa del Norte
satiatest
sick quarters
slotted liner
sludge holes
space apart
spark capacitor
specialized fund
sperm agglutination
sphagniprata
standard specific volume
stereointerpretoscope
sweep something under the rug
sweet-corn
tender-foot
tiger fish
to this
tracksters
travelling loading hopper
Trempealeau R.
turrentine
ultracentrifuged
undersound
vendace
warres
yesterday breadwinner
Zuidlaren