un. 吸声材料

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 Scientific American(三)月

DEVELOPMENT REPORT – December 30, 2002: Adaptive Eyecare By Jill Moss This is the VOA Special English Development Report. The World Health Organization estimates as many as one-thousand-million peop

发表于:2019-01-02 / 阅读(181) / 评论(0) 分类 农业与发展

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(166) / 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(177) / 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(182) / 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(157) / 评论(0) 分类 Scientific American(七)月

What Does the Multimedia Actually Mean? Literally, multimedia means TWO or more media. If the publisher of this book Wanted to join the Current hype about multimedia, he could advertise the book as using multimedia technology. After all, it contains

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 英语阅读理解

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(126) / 评论(0) 分类 好听的英文歌曲

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 in the rain in the weather One man's pai

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 美国乡村音乐

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(103) / 评论(0) 分类 美国乡村音乐

Scientific and Engineering Skills Lead to Inventions that Save Lives This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save lives. We will a

发表于:2019-01-12 / 阅读(148) / 评论(0) 分类 2013年VOA慢速英语(六)月

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(141) / 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(181) / 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(139) / 评论(0) 分类 VOA标准英语2010年(十二)月

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 VOA标准英语2014年(七月)

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(140) / 评论(0) 分类 2017年NPR美国国家公共电台1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(131) / 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(169) / 评论(0) 分类 英文语法词汇

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(138) / 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(143) / 评论(0) 分类 英文摇滚歌曲
学英语单词
AC shaft generator
aerocrete block partition
air-loaded accumulator
anoperineogenital
ascaricide
ashtadhyayi
atiyah
attribute domain
automatic winder
axhandle
bailon
banu (banow)
bepi
Bitevan
bothynogria calcarata
bottleneck layer
Brinell ball test
carcelia (carceliella) hirsuta
Cardross
cavitation of jet blood flow
certified pipet
circular exhaust box
clock pulse width
continuous creation hypothesis
coulures
derivative action time
Dimaro
drain in dam foundation
durable clause
E-n-Nassamé
end feed cross flow zone refiner
engine-room layout
ensurers
Ethernet
ethyl butyl ketone
feeding web
folium lycii
fork grafting
Fract. des.
furnish evidence
gasoline cistern
gill pouches
Grez-Doiceau
grindley
history of microbiology
houseboys
hypermnesis
idolatress
intestinal ciliates
lernes
lesser secondary coverts
limited translation estimator
locked-in charge
management consultings
megaverdicts
merla
microroutine
Monmouth Court House
non-complementary
nourishing yin and tonifying blood
oil flotation
open shop system
open-market option
oriental alabasters
permeation theory
phenol burn
purple osier
remethylate
skidding of the wheel
spring snubber
St-Paul-en-Born
steyme
STFs
Strongyloplasma hominis
structure specification
surface dissected degree
surivor curve
synonymal
synovial tufts
talent-spottings
task set control block
TaskRabbit
TBLC
theoretical cost of living
three by three complex
time of peak
tomblike
total case depth
trade-off value
tree census
trombidiliasis
two-dimensional radar
ultrashort afterglow
under-lessee
underclasswomen
VAP (vapor)
varicotic
wagon-way
wheak
WSK
yin-supplementing formula
Zahn's ribs