音标:['desɪbelz] ;
n. <物>分贝( decibel的复数形式 )
n. a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity

Here's the news at 11:30. Thousands of people have marched through the centre of Corby in Northamptonshire to protest against plans to close the steel works, the town's major employer. The marchers de

发表于:2018-12-03 / 阅读(103) / 评论(0) 分类 英语解说豆知识2009年

Here's the news at 11:30. Thousands of people have marched through the centre of Corby in Northamptonshire to protest against plans to close the steel works, the town's major employer. The marchers demonstrated outside the local British Steel Corpora

发表于:2018-12-03 / 阅读(116) / 评论(0) 分类 北外英语中级听力

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Living in the city, you can't escape traffic noise. But it's not just a nuisance. If you're over 65, the noise might be a risk to your health, tooby increasing

发表于:2018-12-24 / 阅读(123) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Stand clear of the closing doors, please. Definitely keep your arms and legs away from the closing doors on the subway. But theres a potentially more insidious danger to y

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(六)月

Lesson 156 Part Ⅰ Warming-up Exercises Spot Dictation: The Temperature Check Last winter we had kind of a, uh, cold winter and I was home in bed _____ one night and listening _____ my radio. And, uh

发表于:2018-12-27 / 阅读(95) / 评论(0) 分类 英语听力入门 (全四册)

DAMA - Stands for Demand-Assigned Multiple Access. This is a way to instantaneously assign telephony channels in a transponder according to the immediate traffic demands. Dash - This is the the charac

发表于:2019-01-03 / 阅读(115) / 评论(0) 分类 电信英语

City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 电信英语

Rob: Hello Im Rob and this is 6 Minute English. With me today is Finn. Hello Finn. Finn: Hello Rob. Rob: Were talking about noise today - and looking at some of the words and phrases associated with noise and its opposite: peace and quiet. But, as al

发表于:2019-01-07 / 阅读(146) / 评论(0) 分类 六分钟英语

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? If you're ever worried that you've had one too many drinks after a night of bar-hopping, you might want to ask yourself: Are my ears ringing? Because it turns out th

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(八)月

For many potential entre animals this is one of the scariest sounds around. Scientists long thought the lion's distinctive roar was due to thick layers of fat inside the vocal cords. But new research suggests that it's not the fat that makes the roar

发表于:2019-01-08 / 阅读(136) / 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(125) / 评论(0) 分类 Scientific American(七)月

噪音会给我们的生活和学习带来影响,多少分贝以上的声音可以被称为噪音呢? Jennifer: Hello there and welcome to 6 Minute English from BBC Learning English. My name is Jennifer and with me in the studio today is Rob. Hi

发表于:2019-01-23 / 阅读(148) / 评论(0) 分类 一起听英语

HEALTH REPORT - Portable Music Players Linked to Hearing LossBy Cynthia Kirk Broadcast: Wednesday, March 22, 2006 I'm Shep O'Neal with the VOA Special English HEALTH REPORT. Electronic devices are cha

发表于:2019-01-30 / 阅读(94) / 评论(0) 分类 2006年慢速英语(三)月

SCIENCE IN THE NEWS - Signs of Water on Saturn Moon Enceladus; Next Close Look Set for 2008By Brianna Blake, Mario Ritter and Cynthia Kirk Broadcast: Tuesday, April 25, 2006 (MUSIC) VOICE ONE: This is

发表于:2019-01-30 / 阅读(265) / 评论(0) 分类 2006年慢速英语(四)月

MELBOURNE - On one side is the 'haaah', and on the other is the 'aaagh', and in between, a bit of tennis. Welcome to the scream queen final, where every shot will be heard around the world. In a match-up dreaded by the Women's Tennis Association (WTA

发表于:2019-02-08 / 阅读(110) / 评论(0) 分类 英语新闻

China has developed a bullet train that can convert its sleeping berths to seats to meet demand for around-the-clock operations, a train maker said last Monday. 一家列车生产商与上周一宣称,我国已研制出一种具有座卧转换功能的

发表于:2019-02-08 / 阅读(90) / 评论(0) 分类 英语新闻

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻

下面给大家提供一篇关于生活中噪音的影响的托福阅读背景材料,希望能拓宽同学们的阅读面。 I'm grad to see so many of you here. We'vebecome really alarmed over the health center by thenumber of students we are seei

发表于:2019-03-02 / 阅读(174) / 评论(0) 分类 托福英语

台湾籍旅美老师今天交给我们的句子是: Animal psychologists believe most dogs are about as smart as a two-year-old human. Dogs can understand more than 150 words, count up to five, and notice simple errors such as one plus one equals

发表于:2019-03-05 / 阅读(182) / 评论(0) 分类 留美老师带你每日说英文

How to Get Better Sleep Getting a good nights sleep ensures more than extra spring in your step each day. According to Harvard Womens Health Watch, chronic sleep loss can contribute to weight gain, high blood pressure, and a weakening of the immune s

发表于:2019-03-11 / 阅读(276) / 评论(0) 分类 阅读空间
学英语单词
accessory lobes
aflac
air cooled brake
alligation
anaerobic corrosion
aping
arrising tool
ate complex
back channel
banner cloth
Bellini, Giovanni
bi-metal regulator
bid shielding
bidree, bidri
biogeographic, biogeographical
bonding orbital
boronians
BOT build-operate-transfer
Butovo
Canarium strictum
clap eyes on
communications device
competent authorities
computer paper
congenital choledochus cyst
converter circuit
coronado
crack valve
cubbish
curling stick
dejection rock
departmental hour rate method
Diplotaxis
early graduation base on academic excellence
ECEG
equivalent static stability
Euphorbia royleana
factory-production
final-set
global vibration test
glycerole
have credit with sb.
hemocytotripsis
holographic fingerprint sensor
Hukkyo
in my dream
in-pile corrosion
indian pinks
Is it raining now
layer 3 function
machine time allowance
managerial system
maratoriam
marketing experimentation
martinons
medium altitude communication satellite program
medium-term bonds
microchannel plate cathode ray tube
Morera's theorem
multilayer hierarchical control
musculus mylopharyngeus
Neuve-Eglise
nitroglycerin(e)
nonrotatable
null reference
ojars
open operations
operating revenue
packet communication function
parasangs
period of employment
Perkinsville
portrait sample
postherpetic polyneuropathy
pseudo-random digital signal generator
Rizzoli's osteoclast
rocket surgeries
ruel-bone
safety mechanism
Scardinius erythrophthalmus
sickle spanner
skerling
smog reaction
soiling procedure
source of deduction
specific name
subjective criteria
sunmen
susies
tavern
technical advisor
Temminck's tragopan
terify
theralite diabase
timber pack
time biology
tund
vertebrosacral
viscosity chassification
voice-frequency-multichannel system
water-immersion simulation test
whole synthesis