螺状花被卷叠式

This is Scientific Americans' 60-Second Science. I am Karen Hopkin, this will just take a minute. Most school kids know that snakes can see with their noses, Vipers in particular have these organs on their noggins that allow them to see heat which he

发表于:2018-12-24 / 阅读(185) / 评论(0) 分类 Scientific American(一)月

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(224) / 评论(0) 分类 Scientific American(九)月

THIS IS AMERICA - Inside the Complex Worlds of Deafness and Deaf Culture in America Hearing technology offers more hope than ever. Yet the devices are not always welcomed. Also, how one young woman is learning to accept herself for who she is. Trans

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 VOA慢速英语2008年(五)月

Hearing, smell and sight are all well refined. We can look at the sense of vision and see the attributes of a predator. T-Rexs eyes are 40 centimetres apart providing exceptional binocular vision, the ability to perceive depth. An eye is essentially

发表于:2019-01-23 / 阅读(170) / 评论(0) 分类 探索与发现2013年

Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas

发表于:2019-01-30 / 阅读(237) / 评论(0) 分类 60秒科学

And when the markets in Europe closed a couple of hours ago, the London FTSE 100 was down 110 points. The Dax and Euro also down. In the US, trading comes to a close shortly. The Dow Jones is down. And the Australian dollar is worth around 87 US cent

发表于:2019-02-14 / 阅读(170) / 评论(0) 分类 澳洲ABC新闻快递2014年
学英语单词
a KF
abscision
amniotic fluid embolisms
arosorb process
artificial culture media
auditory perception
auto-sequential-commutated inverter
banker's commission
BMFS
California Nebula
chain tightener
CN-CA
combined line & ringing key
constitutionalisation
consumption entry
credophiles
daily plan of passenger carrying
darraign
debtless
diglycoaldehyde
Diplotaxis muralis
drum-head court
dry beer
entities
epabx (electronic private automatic branch exchange)
Eston-B
euboean sea
extended-range percolation
fiber glass thermoplastics
field of rational numbers
forced vibration
frequency resonance
genus Porphyra
get wind of something
ghastfully
grid-pulse modulation
herbryage
heredodegeneration
hessburg
heteroquinine
high-speed response
hone in
hydroborane
illiberalizes
in common use
international nuclear agreement
Kendawangan, Sungai
lakeport
land sakes
lime borate
linear expression
lovingest
lubki
manual duplicator
measurement voltage divider
mechanical waveform synthesizer
miscibility gap
moscow' muenster
motherfunker
muse on/upon/over
myrothecin
net radiation method
net setting machine
newscuttings
nonpsychiatrist
North German Plain
Parryodes
partrishows
persel
plant soil science
postulate of order
power bottoms
pride of China
priority indication
probability of large deviation
quasi-peak meter
radiative broading
railing at
reduced to writing
representative selection
richness index
river crossing
rotary-compressor
seas and oceans
select page field item
shear deformation theory
side car wheel axle
solar-investment
Spanone
spiral rotor
stable-hand
stall test
stomogastric
straight-sided
streptavidin-coated
Styrax formosanus
Thelypteris dryopteris
toxophilies
Trets
trouty
venous accentuated
Virtual Router Redundancy Protocol