声面波共振器

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(119) / 评论(0) 分类 2017年Scientific American(九)月

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(125) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. When Harry Potter slips underneath his invisibility cloak, he can wander freely undetected, but what about a cloak of silence, one that completely deaden

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(六)月

Venice's Church of the Most Holy Redeemer has held a musical celebration every year since its construction in 1592. And recently, the church has inspired debate among historians: How could its echoing chambers clearly portray the complicated music pe

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science.I'm Cynthia Graber . This will just take a minute. (Chirping sound.) That may not sound likemuchbut its the loudest animal in the world. For its size, that is. Theinsect called the water boatman is two m

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(七)月

Lindsey KaneYou'll be whole to the one in the corner i got something to say you have never been alone know not even a day and i know that you feel a hope is gone away lost and fogot it and things take it away~~ but you wanna always be this way so you

发表于:2019-01-09 / 阅读(110) / 评论(0) 分类 好听的英文歌曲

Well there's so much turning still Watching the fireflies drown Set fire to the sails Laughing as the boat goes down Well eyes tell a thousand tales I've been chasing my own one around Got a coffin with a thousand nails And we hammer this last one do

发表于:2019-01-11 / 阅读(84) / 评论(0) 分类 美国乡村音乐

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2015年VOA慢速英语(八)月

By Doug Levine Washington 27 June 2007 It's been more than 15 years since saxophonist Joshua Redman won first prize at the Thelonious Monk International Jazz Competition. That honor proved to be a worthwhile stepping stone, as he went on to record mo

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 2007年VOA标准英语(六月)

Chris Hillman Edward Pederson's At Edwards BarnChris Hillman and Herb Pedersen had bluegrass in common when they met as teenagers in Los Angeles back in the early '60s, but the two didn't make much music together until years later. Hillman first came

发表于:2019-01-13 / 阅读(117) / 评论(0) 分类 VOA标准英语2010年(十二)月

LOURDES GARCIA-NAVARRO, HOST: If you're familiar with the band Disturbed, you're probably used to hearing them sound like this. (SOUNDBITE OF DISTURBED SONG, INSIDE THE FIRE) GARCIA-NAVARRO: But last year, the band softened its sound when they covere

发表于:2019-01-16 / 阅读(119) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Something that's so unbelievably simple,but he would be experiencing something that I wouldn't be,because I'm on top of the sound. 一些特别简单的,但他可能感受到我所不能感受到的东西,因为我在声音的上方。 I have the

发表于:2019-01-18 / 阅读(119) / 评论(0) 分类 TED演讲国际问题篇

By Liu Enming San Francisco, California 04 September 2007 Pipe picks up sounds created by waves At the tip of a tiny peninsula near San Francisco, California's Golden Gate Bridge stands the Wave Organ, a work of art that allows people to listen to mu

发表于:2019-01-20 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(九月)

As 2014 draws to a close, its time to look back and see which words have been significant throughout the past twelve months, and to announce the Oxford Dictionaries Word of the Year. Without further ado, we can exclusively reveal that the Oxford Dict

发表于:2019-02-04 / 阅读(108) / 评论(0) 分类 英语新闻

Abadie's Sign Chinese阿巴迪征(跟腱受压无感觉,见于脊髓痨) Abaptiston Chinese安全开颅圆锯 abarognosis Chinese压觉缺失 abasia astasia Chinese立行不能 abasia Chinese步行不能 abdominal reflex Chinese腹壁反射 abduction Chinese外展 abiotrophy Chinese生活力

发表于:2019-02-07 / 阅读(140) / 评论(0) 分类 英文语法词汇

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 2018年科学美国人1月

So what really happened? Hertzfeld asked. Is it really as bad as it looks? 到底发生了什么?赫茨菲尔德问道,真的有这么糟吗? No, it's worse. Jobs grimaced. It's much worse than you can imagine. 不,更糟,乔布斯一副愁眉

发表于:2019-02-15 / 阅读(116) / 评论(0) 分类 乔布斯传

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

发表于:2019-02-18 / 阅读(121) / 评论(0) 分类 英文摇滚歌曲

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro

发表于:2019-02-23 / 阅读(107) / 评论(0) 分类 英语时差8,16
学英语单词
actual working hours
admissible vertex
analytic thread
anandakrishnan
Anaphalis bulleyana
antigenerative
Appalachian dulcimers
argon cast
armor shelf
asakawa
automatic on-board optical system
bagnold effect
boy-man
brayette
cercospora instabilis
chemical potential diagram
chlorinated quinone
chlorine hyreide
Cladophorales
clumpiness
coagulopathy model
common japanese conger
corrugated carton
Crooked Island Pass.
cutawi machine
darkful
descriptive bill
Desmofosfamide
diamond lap
domesticated animals
drifting force
elephantiasis fibrosa
emery bit
ethylene propylene rubber
external perspective
extramural aerobiology
fastness to heat finishing
fiddleist
flow sequencing
good faith effort
grosze
guide vane stem
help ... up
hydrometer
hydropneumatic accumulator
hypercritical point
hyperlipaemia
IN-TF
infounding
interactive placement
issoenzyme
kanjifying
kill-cow
l'ltes
land-for-security
last friday
long ground warp
m2 car
madelung's fat-neck
Millettia griffithii
monady
muskinesses
myographs
Oberonia rosea
patrol maintenance
peak resolution
peteneras (spain)
phytoplankton bloom,water bloom
poikilocytosis
pokerworks
prog.
radio-tv
ratio of external division
Re(Renolds number)
rescue tug
restringings
Ribstone
sarcoma of pleura
scrut
serpentine belt
serre
Sierra Leone Rise
sir isaac pitmen
ski-club
speculatist
sporangial initial
spring cap
stone turf
Stresam
stuerzelberg furnace
tamarite
tickle-ace
tin sealer
transfer of funk
translation error
under-represented
vapourization temperature
viral media
Weichardt's antikenotoxin
window dresser
Wireless energy transfer
with annoyance