水灰比定律

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(544) / 评论(0) 分类 VOA2003(下)-发展与科学

By Gary Garriott Broadcast: September 8, 2003 This is Robert Covent with the VOA Special English Development Report. Bridges are an important part of transportation systems. They make it possible to t

发表于:2018-12-01 / 阅读(231) / 评论(0) 分类 VOA2003(下)-发展与科学

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 2 By Paul Thompson Broadcast: Wednesday, January 21, 2004 (THEME) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORAT

发表于:2018-12-01 / 阅读(206) / 评论(0) 分类 Explorations

EXPLORATIONS - Outlaws and Lawmen of the Wild West, Part 1 By Paul Thompson Broadcast: Wednesday, January 14, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXP

发表于:2018-12-01 / 阅读(185) / 评论(0) 分类 Explorations

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-06 / 阅读(58) / 评论(0) 分类 化学秘密.Chemical.Secret

Lesson 47 Television Day: The sea TV Commentary: If you looked at the Pacific from a space-capsule you might think that the world was all water. You would hardly be able to see any land at all. Water covers most of the earth's surface. The sea contai

发表于:2018-12-20 / 阅读(92) / 评论(0) 分类 朗文3L看听学英语第四册

Language Points 1.Your coffee comes exactly as you like it, with the precisely right ratio of cream to sugar 2.You make all the stop lights when youre in a hurry 3.You come back from the bathroom at a restaurant and your delicious meal is already at

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 爆笑英语口语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(194) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(218) / 评论(0) 分类 数学英语

A law that permits Indians to get information about their government is helping a group of women in Delhi get needed services. The women have led a successful campaign demanding that city officials improve access to water, waste removal services and

发表于:2019-01-02 / 阅读(84) / 评论(0) 分类 2017年VOA慢速英语(十二)月

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(227) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(十)月

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 英语小短文

Levee 堤 A levee is a system to control water levels. 堤是一种控制水位的系统。 When it rains a lot, floods can happen. 降雨很多时,就可能会发生洪水。 People build walls along rivers or coasts to prevent floods. 人们在河边

发表于:2019-01-10 / 阅读(53) / 评论(0) 分类 与美国小学生一起学英文第7册

VOA's Weekly Science and Technology Magazine Art Chimes 05 January 2010 MUSIC: Our World theme This week on a special edition of Our World, some of our favorite stories of the past year ... including a high-tech wrinkle to that humblest of building m

发表于:2019-01-23 / 阅读(72) / 评论(0) 分类 VOA标准英语2010年(一月)

AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d

发表于:2019-01-30 / 阅读(90) / 评论(0) 分类 农业与发展

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 英语新闻

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(177) / 评论(0) 分类 VOA标准英语2010年(一月)

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(115) / 评论(0) 分类 英闻天下

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(99) / 评论(0) 分类 托福英语
学英语单词
admittance comparator
alkali spot
Amishness
annoints
basic lead carbonate
bee-flower
Binghamton
Bittorf phenomenon
bone lever
bus coupling
calophya mangiferae
Campo Formoso
cerc-
cetyltriethylammonium bromide
congestive headache
constrictors constrictors
cottone
crackhouse
cracking unit evaporator
cymetery
damage caused by waves
deferred payment letter of credit
demand the assignment of a right
diagonallage
disaffectedly
e waves
ethyldiphenylphosphine
eurohubs
exchange of pow
eyelid forceps
fibrosing adenomatosis
flexible payment
flush type
footcontroller
golden hordes
hand-writings
helminth prevalence
homologous to
hyaloplasm(pfeffer 1877)
hypoblasts
il-
immersion method
in-betweens
insectariums
instructology
iodine disulfide
joint school
Karlee
Kirkstead
knaggie
kneeholes
Kondinin
middle stump
mineral law
moisture as charged
montejo
multibarreled
neps
nonaual
O. Ni
occelli
ochlerotatus (finlaya) watteni
oil damping
on ground of
ortho amide
ossa tigris
parakrithella oblongata
partial processes
pelokonite
perpusillous
pertemps
phenoplast
prairie white-fringed orchids
prospecting hammer
really and truly
red deer(cervus elaphus)
reentry mechanics
remote procedure calls
resource allocation algorithm
rock shachiang
ronaldsway
s.k
salaried staff
saturable choke
seeds visibly weathered or poor in quality
shunt DC machine
sit-in
Slade
subcommissural organ
supersensibly
taret organ
terzas
test of predictive power of a model
test of unusual use
thiocyanoacetates
top aileron
total water solubles
transistor-transistor logic (ttl)
two way lock
ungravelly
Venae anteriores cerebri