不饱和苯烃

Nuts, Nuts, Good for Your Heart 吃坚果有益于你的心脏 Todays program starts with a word association game. What comes to mind when you hear these words: almonds, walnuts, cashews, pistachios. Are you thinking scrumptious and satisfying? Or un

发表于:2018-12-28 / 阅读(32) / 评论(0) 分类 初学者听力文摘精选

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

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

发表于:2019-01-17 / 阅读(47) / 评论(0) 分类 TED演讲教育篇

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(73) / 评论(0) 分类 英文语法词汇

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

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(52) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
2-ME
advancement
ageratina altissimas
aisenbergs
amphicoelous vertebrae
an avalanche of
asperline
assembly on fixed position
automatically controlled rolling mill
Ayrshire Downs
beam current
breaks with
bulk buys
cheirobrachialgia
circle tester
CMOT
cobalt(ii) rhodanide
cocksurenesses
coelenteric
contamination of waste enamel
Conyza sumatrensis
Cotrefon
CRDL
cultural core area
deft.
dermal coniosis
DFSG
diencephalie
dilution and concentration test
disgrace by
do something over
double-account-form balance sheet
double-barrel transversostomy
Dutchman's breeches
edge-connector test points
Erinnidae
fidelity
fission fragments
Follie
foster-nurses
fuel removal
ghiordes knot
gojams
heating load
hefn
hemitrope-twin
hydrostatic membrane
ill-favorited
in response to
interposing
jakie
Kavitine
locating service
mass sliding
membranae vestibularis
mercury thiocyanate reagent
mestizo
microcontinental
native silver
nitrogen adsorption
oil film seal
optional compulsory jurisdiction
outright transfer of legal title
pendulum tiltmeter
perfluorobutane
plasma thromboplastin
post-contract
priestlike
quarx
racinesses
radioresponsiveness
resthouses
reverse curve
rotyde
Savei
scraper compression ring
shaving plate
slime bath
smackheads
snag-tooth
soft shell
somatosexual
stearo-dipalmitin
system of linear equations in three unknown
tamely
tangential runner
target scintillation
tautologous
telephone club
therapizing
topographic sketch
tracer material
transformational change
trapezoid (or small multangular bone)
tri-fold
triisobutylethyltin
Twenty Mule Canyon
unelidable
Uralla
usda-ers
Yandama Creek
Yorkalnic