[声] 声源级,音源电平;震源强度
(source-level 的复数)

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(335) / 评论(0) 分类 新概念优美背诵短文50篇

Variety is the Source of Creativity Variety is the source of creativity. Variety injects the fluid of creativity into the most hollow minds. To ensure a triumphant career, variety combined with flexibility to fit in diverse circumstances is the major

发表于:2018-11-30 / 阅读(330) / 评论(0) 分类 24篇魔术美文串记4级词汇

By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat

发表于:2018-12-01 / 阅读(78) / 评论(0) 分类 VOA2003(下)-环境与健康

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(164) / 评论(0) 分类 新东方背诵文选

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(61) / 评论(0) 分类 健康与环境

今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the

发表于:2019-01-07 / 阅读(83) / 评论(0) 分类 英语每日一词

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(103) / 评论(0) 分类 VOA标准英语2008年(三月)

今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the

发表于:2019-01-07 / 阅读(48) / 评论(0) 分类 英语单词荟萃

Tests Show Levels of Arsenic in US Rice Two hundred different types of rice and rice products tested by both the non-profit research group, Consumer Reports, and the U.S. Food and Drug Administration [FDA], contained varying levels of different forms

发表于:2019-01-13 / 阅读(75) / 评论(0) 分类 VOA标准英语2012年(九月)

Ocean Levels Rising Fast on US Coasts Ocean levels are rising faster and higher on both coasts of the United States than in other parts of the globe, according to two new studies, and California could be especially hard hit. There will be about one m

发表于:2019-01-13 / 阅读(89) / 评论(0) 分类 VOA标准英语2012年(六月)

Samasource Provides Jobs for Poor Via the Internet The World Bank says 1.3 billion of the world's seven billion people live in extreme poverty, surviving on less than $1.25 a day. Aid organizations have long relied on charitable contributions to help

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2011年(十二月)

DAVID GREENE, HOST: The amount of carbon dioxide in the air is rising because of human activity. And NPR's Merrit Kennedy reports that scientists around the world are trying to understand how more CO2 is going to impact the plants we eat. MERRIT KENN

发表于:2019-01-17 / 阅读(52) / 评论(0) 分类 2018年NPR美国国家公共电台6月

一、推断题 1.解推断题应注意: (1)不能以自己的观点代替作者的观点; (2)推理的根据来自于上下文。 2.推断题的常见形式: (1) It can be inferred from the text that ______. (2) From the text we know that ____

发表于:2019-01-17 / 阅读(328) / 评论(0) 分类 阅读空间

Shanghai Takes Measures against Rising Sea Levels Zhang Zhenyu, of the Shanghai Flood Risk Information Center spokesperson, said the seawalls virtually encircle half of the city. These are all the sea walls we have built, including from Hangzhou Bay

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 2015CRI中国国际广播电台

Alan, Canada speaker How do I get my news? Well, when I lived in Canada I got my news from primarily watching television and reading the newspaper. But since I moved over to Asia and started using computers more and more I find that I get my main sou

发表于:2019-01-23 / 阅读(156) / 评论(0) 分类 一起闲话英语-English Chitchat

Organic Pollutant s Yes,eating organic foods is a great way to reduce the amount of pollutant s in your body, but you cant entirely escape pollution, no matter where you live. Persistent organic pollutant s , or POPs, are everywherein our food, soil,

发表于:2019-01-26 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

HEALTH REPORT - PSA Levels and Prostate Cancer By Jerilyn Watson Broadcast: Wednesday, June 09, 2004 This is the VOA Special English Health Report. Many older men are tested each year for cancer of th

发表于:2019-01-30 / 阅读(82) / 评论(0) 分类 健康与经济

The 15 Best Fat-Burning Food 15种最棒的燃脂食物 1. Walnuts 1. 核桃 All nuts do contain some amount of the omega-3 fat alpha-linolenic acid, but most only contain trace amounts. The real fat hero in most nuts is monounsaturated fats. Walnuts

发表于:2019-02-01 / 阅读(142) / 评论(0) 分类 阅读空间

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(82) / 评论(0) 分类 英语新闻

Smog levels in Beijing have hit the 'Hazardous' mark again just 2 weeks after recording one of the worst cases of air pollution. The PM 2.5 monitoring systems in the Chinese capital showed readings of around 400, which is considered hazardous. That's

发表于:2019-02-21 / 阅读(77) / 评论(0) 分类 英闻天下
学英语单词
acute pulmonary tuberculosis
acute suppurative synovitis
adenocarcinoma of cervix
allomerase
astorperious
Atsana
automatic roll filter
back at one
basal spacing
biomedical device
break elongation
butterfly tall
car-hop
chaired
chewing test
chocolate sauce
clear-up rate
collision due to vis major
colobilen
congestion
conjunction substitute
Conkouati, L.
cross weighted Fisher indexes
current collecting equipment
decalcification of dentine
digitaligenin
disengaging latch
Dogharun
dreamfully
drift stope
electrostatic displacement
epidurals
equatorial wave disturbance
erosion gauge
estimates of heritability
Example is better than precept.
expense distribution sheet
fair average
fallacies
feedwater heating
Formula Manipulation Compiler
fossil cr.
hard lump
hemolysis
heptadecagons
heterocyclyl
highway department
HP (hand pump)
hub key
hybrid hard drive
in batch es
information-collection
intermittent operation electric tool
inverse moment
isophoria
kishore
law of negotiable instruments
left linear space
leshies
letterheads
little-what
main net boat
megathrusts
melicitose
millammeter
mixed firing boiler
moylans
myophonus caeruleus
no-swell condition
odbcs
odoras
oil dope
onychophora
oysters rockefellers
pan-regional
pattern frame synchronizing,
phenolphthalein alkalinity
pigfishes
plant growth regulator
primary table
producer's costs survey
Prospect Pt.
pseudostome
puntarenas
railway heavy haul traffic
rock sheet
sanz
seeded raisins
semimicro analytical balance
sender unit cover
sketch master
snap line
spring motor movie camera
squeezing action
stavenger
tenebrism
text edit
topliff
triangle generator
uphoven
voice frequency circuit
zoomancy