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NOEL KING, HOST: OK. If you listen to the hit podcast Serial, you know the name Adnan Syed. The podcast was about his murder conviction in 2000. But an appeals court in Maryland has backed a decision that vacated his conviction, and Syed might be get

发表于:2019-01-16 / 阅读(53) / 评论(0) 分类 2018年NPR美国国家公共电台3月

SCOTT SIMON, HOST: A year ago, President Trump's remarks about a violent white nationalist rally in Charlottesville sparked outrage. (SOUNDBITE OF ARCHIVED RECORDING) PRESIDENT DONALD TRUMP: You had a group on one side that was bad, and you had a gro

发表于:2019-01-17 / 阅读(42) / 评论(0) 分类 2018年NPR美国国家公共电台8月

Adult ants communicate with pheromones, touch and even sound. Now researchers have discovered that developing ants called pupae have their own distinctive calls, which identify their social status within the colony. This finding is in the journal Cur

发表于:2019-01-20 / 阅读(25) / 评论(0) 分类 Scientific American(二)月

This is scientific American ,60 second science. Im Chris D..ta. Got a minute? In less you have a pair of noise-cancel headphones. Flying can be annoying to the ears. A lot of low-pitch rumbling makes it into the cabin. The problem is ,the wings ,floo

发表于:2019-01-20 / 阅读(128) / 评论(0) 分类 2015年Scientific American(五)月

一篇文章的各个段落之间、各个句子之间都存在一定的逻辑关系,正确理解这样的逻辑关系对于阅读者有着很重要的意义:首先,借助上下文之间的逻辑关系,阅读者能够更好地理解文章大意

发表于:2019-02-13 / 阅读(29) / 评论(0) 分类 大学四六级阅读

Human Echolocators Use Tricks Similar to Bats Many bats use a system similar to sonar to navigate in the dark. They send out high frequency sound, sometimes as clicks, and get information about their surroundings by the timing and quality of the soun

发表于:2019-02-14 / 阅读(37) / 评论(0) 分类 2018年科学美国人3月
学英语单词
a/m consolidated school
adoors
Androral
art of medical treatment
Atreid
black market
bourka
brawest
breedermobiles
calibrating curve
can cover
CCAAT box
centrifuge reclaiming
co-captain
co-dependents
commuting matrices
continuous bail
cost based on actual batch purchasing price
course recommended
cross-country skiing
deep-snow
deoxydihydrothebacodine
dientameba
drapeau
electroinjection
eutrophy
fabric-to-fabric bonding
falling-behind
false twist
flash array
fluorubin
frohlich
fund turnover
Gibbon's hydrocele
Grecianize, grecized
Hernandia peltata
hinge of tongue
hydroxymethylnicotinamide
IAGLP
in-line package
internal screw turning tool
inverted sensory cells
Java ratio
jody
judgement by confession
knowledge directed database
labour bureau
Lasianthus hiiranensis
live environment
Llangammarch Wells
logues
loss from falling price
lowest unoccupied molecular orbit
metallic substrate
micro-mole
mitchums
mode-converter
nasogastric feedings
natural-law-ethics
nozzle control governor gear
observed fire
offline
pick nits
piezoresistive gauge bridge
pinhole plotter
pneumograp
price-capping
primary reference
profligation
pta.
radiation genetics radiogenetics
Rayleigh-Benard instability
ReiserFS
reset flip flop
restauration
Rhodiola dumulosa
sarcinic
sheep fever
shifting of tax
skielth
slender nasturtium
slin
soil-bornest
spinnable
splanchnoskeleton
stinging
stoopers
successionism
swage bolt
swother
Söira Storfjället
technical survey
torodora octavana
trailing cable chains
Trapa bispinosa
two core fixture wire
velocity pronle
vena (pl. venae)
vendange
vernum
white balance
zoaria