毫瓦分贝数

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(141) / 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(165) / 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(172) / 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(113) / 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(136) / 评论(0) 分类 英语听力入门 (全四册)

A: I need your help. B: What do you need me to do for you? A: I want to transfer pretty soon. B: Where to? A: Im applying to both NYU and UCLA. B: What do you need me to help you with? A: Could you write two letters of reference for me? B: Is that al

发表于:2018-12-30 / 阅读(168) / 评论(0) 分类 大学英语对话

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(151) / 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(186) / 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(166) / 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(174) / 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

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(215) / 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(128) / 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(300) / 评论(0) 分类 2006年慢速英语(四)月

When my teachers have class, they will make the comment of the exams, then they give the answers according to the reference book, most teachers ask students to fill in the forms according to the reference book. The function of reference book is to te

发表于:2019-02-06 / 阅读(153) / 评论(0) 分类 英语作文

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(145) / 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(123) / 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(152) / 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(204) / 评论(0) 分类 托福英语

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(333) / 评论(0) 分类 阅读空间
学英语单词
adspersus
agriculture fairs
alternative depth
atuona (atuana)
basic flow chart
bilineatus
biosyl-
bongkrek acid
Butaritari Atoll
Call-Exner bodies
canalis tendinis musculi flexoris carpi radialis
cancer virus
cantharidins
channel band range
Cherek
chimney valve
chlorophyll-binding protein
chronogrammic
cofibration
connected user
Conoco
cualstibite
customs of merchants
diastol-
disasterless
down reversal
economic activity rate
Edo-gawa
electrographic system
en garder
excess force
Fidonews
forward break over point
full-opening valve
gain the character
geber
genus aras
Greenfield's disease
grim-faceds
group of inner automorphisms
gunk up
hartenstein
incomplete inter-run fusion
infotopia
intercarotid bodies
intranasal antrcstomy
jaspideous
job cycle
justice dept.
larch forest
leaf ornamentation
local trap
low density gas
lympstones
marking on inflatable liferaft
maximum belt tension
measured power curve
Microsporidia
moral thesis
naze
nerve ending
ninth-day erythema
obsolete
optical projection exposure method
Oranskiye Ostrova
orjust
outbreathe
packing and presentation
performance and quality guarantees
perineal hypospadia
Phosphoadenylylsulfatase
radio pilot balloon
rafidains
reflexive class
reorder-point control system
repeat customers
responsible organ
rotary pawl
salvans
segregated zone
seven-inches
ship resistance
socket type fitting
solar tracker
solenoid with manual emergency control
Stenopteris
tallow
tarry mark
technical features
technical safety team
teichers
tetraacetylglucose
transformate
two-dimensional autocorrelation
unmoralness
Villanueva de la Concepción
Viscount St. Albans
volumetric radar
wheel recessed two sides
WinDD
yates's correction for continuity
zetta-amperes