水玻璃混凝土

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(100) / 评论(0) 分类 口腔临床英语对话

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(92) / 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(78) / 评论(0) 分类 2017年Scientific American(一)月

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(九)月

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(169) / 评论(0) 分类 英语语法 Grammar Girl

1.His proposal is very _______. We do not need any explanation. A. concrete B.loyal C.grey D.draft 2.This is a _______ computer, which we just bought for our research. A. detective B.luggage C.digital D.grave 3.The two pictures are _______. We dont k

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 大学四六级阅读

Salt is believed to be the single most harmful thing in our food, contributing to high blood pressure For years doctors have been telling patients with high blood pressure to cut down on the amount of salt in their diet. Now a prestigious panel of ex

发表于:2019-01-13 / 阅读(128) / 评论(0) 分类 VOA标准英语2010年(四)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(94) / 评论(0) 分类 VOA标准英语2013年(五月)

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(57) / 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(117) / 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(97) / 评论(0) 分类 英语每日一词

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(83) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(94) / 评论(0) 分类 TED演讲科学篇

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(102) / 评论(0) 分类 英文短篇故事(纽约)

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(85) / 评论(0) 分类 经济学人科技系列

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(85) / 评论(0) 分类 英语新闻

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(十月)

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(60) / 评论(0) 分类 美国乡村音乐
学英语单词
Advanced Streaming Format
allow in
aluminium alloy sliding or side-hung casement type window
basic rate
bermuda maidenhairs
blind pore
book value basis
bring something into disrepute disrepute on something
bulldog ants
capreolate
chalk and talk
circle changeup
color coefficient
comparative ethics
compiler error detection and diagnostics
comstockite(zincmagnesium chaleanthite)
cornopteris decurrentialata
cost order
coxosternal plate
CPAI
cross cultural analysis
defense communication system
dextro-(d-)
dieplate
dusting paper
emphysematous abscess
extended retrieval information blocks
family umbelliferaes
female psychology
Galileian
Generation language
glass bead screen
gluconasturtiin
go into operation
gollanczs
gravel desert
Gregory of Sinai
harringtonolide
helicocerin
hemlock trees
hermite interpolation
howdunit
imprest fund system
input-decision model
intermediations
internal externalrotary pump
iodine-125s
isupov
Kuala Belait
ladinic age
lead window
leesome
linear editing
Liturgical Armenian
logynon
loxapines
Lysimachia tienmushanensis
managerialisms
Manzonian
maximum limit
muck roll
National Volunteers Association
Nekrasovka
Neoepigenesis
non-tumor
nonoccipital
ONID
pan-germen
parrying
passive homing missile
Pohlman method
preoccupies
radioknifek
reduce a penalty
ROIH
roofed turtle
SbW
school management psychology
serpentwood
service dogs
simple whip grafting
sleeper cells
sound power measurement
stable bladder
statement of loss and profit
steel plate hanger
Stefansson Bay
storied cambium
submerged compression chamber
taxodium distichums
teacher-pupil relationship scale
teixeirichthys jordani
the power supply
to be open to conviction
Tombo, R.
travel(l)ing-wave phototube
trudgeon
valve-lift curve
vitiable
wheel cylinder piston cup spring
wipper-snappers
worth a Jew's eye