粉煤灰加气混凝土

Researchers: Recycled Concrete's Time Has Come SOUTH BEND, INDIANA Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete the most widely used

发表于:2018-12-08 / 阅读(139) / 评论(0) 分类 VOA标准英语2016年(八月)

Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete

发表于:2018-12-18 / 阅读(138) / 评论(0) 分类 2017年Scientific American(一)月

New Zealand dairy firm Fonterra has apologized for its tainted milk powder scandal. Batches of the whey protein from the dairy giant were allegedly found containing toxic bacteria. Su Yi has more. Fonterra CEO Theo Spierings says Fonterra regrets any

发表于:2018-12-19 / 阅读(129) / 评论(0) 分类 世界各地新闻集锦

Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h

发表于:2019-01-02 / 阅读(236) / 评论(0) 分类 英语语法 Grammar Girl

By Catherine Drew London 22 January 2008 This weekend saw millions of Muslims mark the day of Ashura around the world. In central London, about 3,000 Shi'a Muslimsgathered to commemorate the martyrdom of Hussain Ibn Ali, thegrandson of the Islamic pr

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 VOA标准英语2008年(一月)

Volunteers Help Revive LA's Concrete River Thousands of volunteers turned out on a recent weekend to remove the trash that has been deposited by winter rain storms. The Los Angeles River was lined with concrete in the late 1930s and 1940s, after year

发表于:2019-01-14 / 阅读(158) / 评论(0) 分类 VOA标准英语2013年(五月)

今天要讲的习惯用语都由这样一个关键词发展而来 : powder。 大家一定知道powder是粉, 可以是扑脸的香粉,也可能是治病的药粉或者爆炸的火药,种类繁多。今天要学的第一个习惯用语是:

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 美国习惯用语

今天我们要学的词是concrete。 Concrete具体的,实质性的。美中战略与经济对话星期二结束。美联社报道说,The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两

发表于:2019-01-16 / 阅读(117) / 评论(0) 分类 英语单词荟萃

DEVELOPMENT REPORT - Long-Life Concrete Bridges By Jill Moss Broadcast: Monday, June 07, 2004 This is Robert Cohen with the VOA Special English Development Report. Each year, road accidents kill a mil

发表于:2019-01-16 / 阅读(178) / 评论(0) 分类 农业与发展

今天我们要学的词是concrete。 Concrete具体的,实质性的。美中战略与经济对话星期二结束。美联社报道说,The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两

发表于:2019-01-16 / 阅读(147) / 评论(0) 分类 英语每日一词

The bar owner was upset. His best customer was in the hospital. He had a head injury. What happened? the owners wife asked. He said, He drank too much. When he went outside, he fell down. His head hit the sidewalk. Now he's in the hospital. This isn'

发表于:2019-01-22 / 阅读(166) / 评论(0) 分类 英文短篇故事(纽约)

New Zealand mothers are having difficulty finding cans of baby formula in the supermarkets. Some supermarkets are limiting the number of cans to two per customer. The shortage may be because Chinese in New Zealand are buying cans of formula to send b

发表于:2019-01-27 / 阅读(157) / 评论(0) 分类 新西兰英语

New Zealand discovered this weekend that a milk powder factory in China, partly owned by the New Zealand dairy company Fonterra, has been selling contaminated baby formula. One baby has died and more than 400 are suffering from kidney problems. Fonte

发表于:2019-01-27 / 阅读(119) / 评论(0) 分类 新西兰英语

Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t

发表于:2019-01-31 / 阅读(198) / 评论(0) 分类 VOA2004(上)--各类新闻

今天我们要讲的习惯用语有一个共同的关键词: powder。大家也许知道powder是粉末。有各种各样的粉末, 例如女士化妆用的香粉, 还有火药或者病人用的药粉等等。 在我们要学的第一个习惯用语

发表于:2019-02-04 / 阅读(212) / 评论(0) 分类 美国习惯用语

Last week, 21 people were found guilty in the case of contaminated baby formula in China. Two men who added melamine to the milk powder will be executed. The chairwoman of San Lu Dairy Company was sentenced to life imprisonment because she knew about

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 新西兰英语

今天要讲的美国俚语由powder发展而来。大家一定知道powder是粉,可以是扑脸的香粉,也可能是治病的药粉或者爆炸的火药,种类繁多。今天要学的第一个习惯用语是: take a powder。 习惯用语t

发表于:2019-02-09 / 阅读(161) / 评论(0) 分类 美国俚语

今天要学的习惯用语是: keep one's powder dry。在keep one's powder dry这个习惯用语里,powder指枪炮用的火药。以前步兵和水兵把火药装在火药桶里保持干燥,随时取用。要是哪个粗心大意的士兵忘了

发表于:2019-02-09 / 阅读(153) / 评论(0) 分类 美国俚语

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Mike Proctor. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 They were the top-selling milk p

发表于:2019-02-14 / 阅读(117) / 评论(0) 分类 环球英语 Spotlight

每一个孩子都是可爱的小天使,但不是每一个天使都能够幸福地飞翔。寂静的墓地里,小小的石碑上,冰冷的石头塑成一副没有表情的石像。那是被剥夺生命权利的小小精灵,永远地长眠于地

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 美国乡村音乐
学英语单词
-terol
adaptivities
adnect
adnul
aily
Alford antenna
ambulatory will
antilifer
aporphin(e)
armure royale
aspecific
basadre
black paradise flycatcher
Braminic
broad-linear
central european initiative on parallel computation
channel noise level
ciliform tooth
co-formulator
coctoprecipitation
colour formal
complex root
composition of workers and employees
consumption account
cryptoplasm
debt papers
defect of ear lobe
demand-based switching
disadvised
DNA damage
drag-rakes
dried seasoned fish
driving spindle
Dudley Moore
enantiopathy
facilities dispersion
File Transfer Access and Management
fine broken rice
garage lamp
Gastrodia gracilis
hand trouble
harbo(u)r model test
heat body
ice cliff
ideal perfect-crystal
interludes
iotalamate
jawsmiths
kawada
Kolodko
lent an ear
low lands
lower cutting position
manganese dihydrogen phosphate
marmorate
maser gain
mickeson
microcomputer timing module
Mikhwā
Minabegawa
monetary conference
multi-pass drying system
Nakaseke
neurofibrillar body
non-bolsheviks
octaphyllite(trioctahedral)
office-type
Old Babylonian
Oligosporidia
orophytia
ottery
percussion riveting machine
photoemission threshold
physical maturity
Pinus bungeana Zucc.
pitman-type cutter
pmac
Port Jackson pine
prebake
purchasing permit
Raman laser material
receiving coil
rotation recurrence
rufescens
schuchardt
seam projector
source-receiver product
steering arm adjusting screw wrench
stereotelemetry
streptogenous elephantiasis
sulcus intertubercularis humeri
sum-of-the-year's-digits method
sumwhat
syrius
taberdar
tax economy
tobeat
Trypanosoma sanguinis
TRYPSVAC
wet-charged stand
yellow stunt of wheat
Zanthoxylum motuoense