低密度高温水泥

Lesson 12 Text A What a Mess! Bill Lane has just touched some wet paint. MR FIELD: You mustn't touch the wet paint, Bill. BILL: I'm sorry. I won't do it again. MR FIELD: Try to be more careful in futu

发表于:2018-11-27 / 阅读(322) / 评论(0) 分类 新概念英语青少版

Section A Short Conversation [00:02.98]1. M: How is your classmate Lucy,Mary. [00:07.08]The last time I came to see you. [00:09.01]you were about to take her to the hospital. [00:11.44]W: She came home last week [00:13.40]The operation was very succe

发表于:2018-12-01 / 阅读(263) / 评论(0) 分类 决胜六级英语听力

DAVID GREENE, HOST: This summer, smoke from wildfires has blanketed much of the West for days, even weeks. And that smoke has come in between the sun and ripening crops, which has become a worry for farmers. The Northwest News Network's Anna King rep

发表于:2018-12-02 / 阅读(135) / 评论(0) 分类 2018年NPR美国国家公共电台8月

V@enook.cn Lesson 16 It looks like cement. Professor Boffin wants to bake a cake. I can't find the flour. He looks in the storeroom. Ah!Here's some flour! Look!My cake's ready. It books like cement. If feels like cement. It tastes like cement. Look a

发表于:2018-12-13 / 阅读(179) / 评论(0) 分类 新世纪少儿英语

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(230) / 评论(0) 分类 英语语法 Grammar Girl

By Ben Gilbert Baghdad 11 January 2006 An Iraqi mason works on a wall surrounding a new school on the outskirts of Basra (file picture) Iraq has been hit with a construction boom - in no small part du

发表于:2019-01-07 / 阅读(226) / 评论(0) 分类 2006年VOA标准英语(一月)

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(190) / 评论(0) 分类 英语新闻

I signed an order last night to BP and about 8:30 eastern daylight time this morning they started pumping cement into the well. They will do that throughout the day. When that is done I'll make sure they have all the cement in place where it needs to

发表于:2019-01-07 / 阅读(121) / 评论(0) 分类 CNN2010年(八)月

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 Scientific American(十一)月

If we look at the sky on a perfectly fine summers day we shall find that the blue colour is the most pure and intense overhead, and when looking high up in a direction opposite to the sun. Near the horizon it is always less bright, while in the regio

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 英语美文

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(126) / 评论(0) 分类 VOA标准英语2010年(一月)

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(159) / 评论(0) 分类 新西兰英语

Science and technology 科学技术 Navigation 航海 Crystal gazing 水晶球观海术 A mineral found in a shipwreck was an ancient form of compass 在沉船里发现的矿石是古代的一种指南针 THIS may look like a nondescript lump of rock

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 经济学人科技系列

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(241) / 评论(0) 分类 VOA标准英语2010年(一月)

1. BP officials say they plan to begin forcing cement down the blown-out Gulf oil well today. The company plans to shove cement down from pipes attached to ships a mile above the sea. Yesterday, crews were able to force down the oil with mud. 2. A fe

发表于:2019-02-11 / 阅读(193) / 评论(0) 分类 美联社新闻一分钟2010(八月)

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(130) / 评论(0) 分类 TED演讲教育篇

BEIJING, July 17 (Xinhua) -- A senior leader of the Communist Party of China (CPC) on Tuesday said China is willing to cement a strategic partnership with Ukraine. He Guoqiang, a member of the Standing Committee of the Political Bureau of the CPC Cen

发表于:2019-02-18 / 阅读(162) / 评论(0) 分类 英语新闻

Handsome is as handsome doesn't in The Dark Knight. Of the three male lookers who dominate it, who would have guessed that the one with his face hidden behind twisted clown makeup, whose perfect features and fair brow are not glimpsed even once, woul

发表于:2019-02-23 / 阅读(99) / 评论(0) 分类 英语时差8,16

Chicxulub is buried under two to three kilometers of limestone and mostly offshore, 奇克休留布大坑在两三公里的灰岩深处,而且大部分在近海。 which makes it difficult to study, Anderson went on, while Manson is really quite ac

发表于:2019-02-25 / 阅读(108) / 评论(0) 分类 万物简史

发表于:2019-02-25 / 阅读(305) / 评论(0) 分类 考研英语
学英语单词
a smack in the eye
a wild child
alcohol stain
Allocebus
American ipecac
aspiny
autoregressive conditional heteroskedasticity test
barometric pressure sensor
benzoylcholine
bond note
cathode input amplifier
changes-of-address
channel wing
chemobiokinetics
choeronycteriss
chopper unit
cocktail parties
colubraria nitidula
common type reference
compressive testing
constituent of capital
corchiani
corylus tibetica batalin tibeten hazel
Cyclobalanopsis litoralis
deanamorphoser
departers
diaphysectomy
disciplinary sentence
dos (directorate of standards)
envelope material
farsightednesses
free field storage
frisee
fulbright-hays
gastrea theory
gelatinum cornus cervis
GMPCS
graphic display control
griseofagin
hair spring divider
Haworth projection
hydrothermic factor
hypertypic
industrial arts teacher
inviolability
iseikonia
jaw-breaking
jim-jams
large-handedness
Laurieton
laying-in knitted fabric
magasin
maximum lapping diameter of hole
microorganic contaminant
Mlicrococcus coryzae
modioli
multiplicative overall hot spot factor
Nara period
neutron multiplication constant
normal key
octahedral sites
official service document
oil merchandiser
Old Norman
orels
Ornithobilharzia
overdrive n.
paviss
Physosomata
plug in type relay
pocket calculators
polyhalogen-benzoic acid
preservation of boiler
projection with two standard parallels
prosciutti
psophocarpus tetragonolobuss
quinqueremes
re-enchants
record subentry
regulation pullout
reinach
remote sensing line
retardation axis
ring roll press
rubber-covered double braided
Sedum obtrullatum
somatology
sphaceloid
squadded
sub-controlling unit
superconducting wire
teton ranges
throttle stem
tow carding engine
UHT (ultra-high temperature)
unduation grade
unicolor
van allen magnetic radiation belt
vernier arm
waterproofing works
wharfmaser
Yangming fu-viscera excess