振降噪材料

Lesson 88 trap 陷入 Six men have been trapped in a mine for seventeen hours. 6个人被困在矿井里已有17个小时了。 They were trapped in cave. 他们被困在山洞里。 Due to the heavy snow,they were trapped in the house in the mountai

发表于:2018-12-08 / 阅读(784) / 评论(0) 分类 新概念英语词汇随身听手册2

San Francisco If you*re going to San Francisco, be sure to wear some flowers in your hair. If you*re going to San Francisco, you*re gonna meet some gentle people there. For those who come to San Franc

发表于:2018-12-14 / 阅读(198) / 评论(0) 分类 英文歌曲第四辑

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(127) / 评论(0) 分类 Scientific American(二)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(181) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(一)月

This is the VOA Special English Development Report. Today we bring you a new take on an old tale. It's the story of the three little pigs and the big bad wolf that blew down a house made of straw and one made of sticks. The only house left standing

发表于:2019-01-11 / 阅读(157) / 评论(0) 分类 VOA慢速英语2009年(十)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(184) / 评论(0) 分类 2007年VOA标准英语(六月)

Ecocradle serves the same purpose as traditional foams when used as a packaging material. Buying a product these days often means you are getting more than you bargained for. Unwrapping your latest purchase can leave the room strewn with the cardboar

发表于:2019-01-13 / 阅读(163) / 评论(0) 分类 VOA标准英语2010年(八)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(143) / 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(143) / 评论(0) 分类 2017年NPR美国国家公共电台1月

And so on. There is a little bit of a difference there that is worth just thinking about. 等等...但即便是有些许的不同,那也值得仔细想一想。 And I remember when I was 12 years old,and I started playing tympani and percussion, an

发表于:2019-01-18 / 阅读(149) / 评论(0) 分类 TED演讲国际问题篇

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前,世界上有一个由大约500台原子钟组成的网络,

发表于:2019-02-01 / 阅读(120) / 评论(0) 分类 阅读空间

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(972) / 评论(0) 分类 阅读空间

Money Can't Buy It by Annie Lennox Money can't buy it... baby Sex can't buy it... baby Drugs can't buy it... baby You can't buy it... baby I believe that love alone might do these things for you I believe in love alone yeah yeah Take the power to set

发表于:2019-02-04 / 阅读(197) / 评论(0) 分类 好听的英文歌曲

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

发表于:2019-02-04 / 阅读(140) / 评论(0) 分类 阅读空间

Animal leather alternatives like Polyurethane and PVC leather may have solved the fashion industry's animal cruelty problem, but they are not the most environmentally friendly solutions. Pi?atex a new leather-like material made from pineapple leaves

发表于:2019-02-07 / 阅读(175) / 评论(0) 分类 阅读空间

If you're a home gardener you may soon find that the pots you buy flowers and plants in are made from chicken feathers. Yes, tons of feathers that go to waste every year can now be transformed into plastics. Two Washington-area scientists are using f

发表于:2019-02-07 / 阅读(156) / 评论(0) 分类 VOA标准英语2010年(五)月

The Satsop nuclear plant in western Washington State never generated a kilowatt of electricity. The cavernous and windowless nuclear reactor building has gone begging for commercial tenants for years. And it finally has one. 位于华盛顿州西部的

发表于:2019-02-14 / 阅读(173) / 评论(0) 分类 VOA双语新闻 2011年1月

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(147) / 评论(0) 分类 英文摇滚歌曲

Many houses in New Zealand are cold. Our traditional wooden house had no insulation. If you live in a house like that, you are paying for heat to escape from the ceiling, walls and under the floor. Insulation is made from material like wool or fibreg

发表于:2019-02-18 / 阅读(173) / 评论(0) 分类 新西兰英语
学英语单词
'Anabtā
afrocarpuss
antanaclasis
arenomycin
assign a value
azizah
backhaul cable
believe sb's bare word
bonded abrasives
booksense
boyaux
brake-up
butylphenyl anisate
cable-controlled undersea research vehicle
chaoux
chemoradiotherapy
commencement report of construction work
composition with creditors
crank-rocker mechanism
crossbar switching network
drencher head
Ethofil
exhaust whistle
extirpated
finite resolving power
fitterest
forage wagons
Friedman test
gemesis
genus Capra
glaucometer
goods were damaged in transit
ground fabric
hoane
hopper flange
How well do you know French
Huaron
hug the throne
Karlsborg
katey
kentan
labite
laser-Doppler anemometer
logarithmic direct current amplifier
lower ivy
macrolycus alishanus
medical innovation
melanolysosomes
minipig
Muller's fibers
multitape Turing machine
muricola rickettsii
nano-coulombs
nitons
non-base wash
nonbatched file
nonmetering
optic fiber sign
oxyquinoline
partial differential equations
periosteopathy
photofiles
plate shale
platform rockers
Polyhymnia
prollacertiformes
protection relay
psammite
psiquium
qualification for position
rabba
radiator mounting
recominant dna
record control type error
reedliker
reference axis of rotation
residential housing
resist arrest
Rifampin-Isoniazid-Pyrazimide
roses alloy
Saint Andrew's crosses
social science data
sodian microcline
soild runoff
sperrschicht cell
splice sleeve
stacking pellets
stand in amazement
stolp
substractive
syphilis of urogenital organ
telisa
three-wire connection
time signatures
total sample
unmoar
use sth up
vapour heating equipment
vivids
warning pipe
wave subbuer
within the radius of knowledge