钛钨金属陶瓷; 钛钨金属陶瓷

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(267) / 评论(0) 分类 Scientific American(八)月

This is the VOA Special English Health Report. Every few years, two groups do a study of how many Americans wash their hands after using the toilet. These groups are the American Society for Microbiology and the American Cleaning Institute, formerly

发表于:2018-12-07 / 阅读(186) / 评论(0) 分类 2010年VOA慢速英语(九)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-12 / 阅读(244) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文,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:2018-12-14 / 阅读(213) / 评论(0) 分类 有声畅销书-秘密

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

发表于:2018-12-29 / 阅读(196) / 评论(0) 分类 英语课程学习计划和讲义

今天我们要学的词是tit-for-tat. Tit-for-tat意思是针锋相对,以牙还牙。Islamist militants' attacks and tit-for-tat violence between rival ethnic groups have cast doubt on Mali's upcoming elections. 伊斯兰国激进分子的袭击和

发表于:2018-12-30 / 阅读(173) / 评论(0) 分类 英语单词荟萃

Waiting Room 候诊室 There were three fathers to be in a hospital waiting room, waiting for their babies to be born. The first nurse comes out and tells the first father, Congratulations you're the father of twins! He says, Great! I am the manager

发表于:2019-01-06 / 阅读(191) / 评论(0) 分类 趣味英语

A: Hey, did you hear about Jessica's party this weekend? B: Yeah, but I'm still waiting for my invitation. A: Oh really? She gave me mine earlier today. B: Well, she'll probably just give me my invitation later on today. A: Yeah, so are you planning

发表于:2019-01-06 / 阅读(282) / 评论(0) 分类 英语闲谈

A: Have you heard about Jessica's party on Saturday? B: I've heard about it, but I'm still waiting for my invitation. A: Really? I got mine from her this morning. B: I'm guessing that she's going to give me my invite today or tomorrow. A: You're prob

发表于:2019-01-06 / 阅读(244) / 评论(0) 分类 英语闲谈

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Scientific American(八)月

The U.S. Special Inspector General for Iraq Reconstruction has criticized the State Department for its management of nearly $3 billion in contracts and grants in Iraq. In two reports, auditors cited weak and ineffective State Department oversight of

发表于:2019-01-13 / 阅读(314) / 评论(0) 分类 VOA标准英语2010年(一月)

The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say

发表于:2019-01-13 / 阅读(247) / 评论(0) 分类 VOA标准英语2010年(七)月

Stomach cancer is one of the deadliest diseases, and ranks second among cancers worldwide with at least 800,000 deaths yearly. But in the United States, the number of cases has been declining, except for among one group of Americans. Glenda Reimer, h

发表于:2019-01-13 / 阅读(195) / 评论(0) 分类 VOA标准英语2010年(五)月

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

发表于:2019-01-13 / 阅读(229) / 评论(0) 分类 VOA标准英语2010年(三月)

This is the VOA Special English Development Report. Health experts predict that soon, more people will die from cancer than from AIDS, tuberculosis and malaria combined. They expect that by two thousand ten, cancer will become the world's leading cau

发表于:2019-01-20 / 阅读(188) / 评论(0) 分类 2010年慢速英语(三)月

A: Has anyone told you about Jessica's party coming up? B: I was told about it already. I'm just waiting for my invitation. A: Is that right? I already got my invitation from her earlier. B: I believe that she will give me the invitation today. A: Ar

发表于:2019-01-20 / 阅读(253) / 评论(0) 分类 英语闲谈

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

发表于:2019-01-28 / 阅读(201) / 评论(0) 分类 英语小达人

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(252) / 评论(0) 分类 科技之光

Beginners. Haiti, as you all know, has suffered a terrible catastrophe recently. The 12th of January, an earthquake hit the nation. It registered 7.0, and there were many after shocks, about 33. Many countries have given assistance and money to help

发表于:2019-02-04 / 阅读(230) / 评论(0) 分类 英语博客 A cup of English

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(262) / 评论(0) 分类 实用英语
学英语单词
allelo-
amoenus
antihypotension
BC-17
bestiolina amoyensis
billot
biogenists
bisetose, bisetous
brass instrumentalist
broghammer
canonical disjunctive form
cc line
chamfer arc
civil legislation
clear position
cloth feeder
Collis technique
control lever boot
development methodology
Deylaman
Do the Downy
doxal
draw pictures
El Almendro, R.
endfulness
equivariant
Euroequity market
exhaust gas primer
expansion path of Cobb-Douglas production function
export cartel
ferromagnetic dielectrics
flywheel-fan
forelandbasin
four-choke carburettor
fully owned subsidiary
fumeus
geick
guard vessel system
hand channel
Harjab, Wādī
high-impact
Iruya
kleptophilia
leave no doubt
lignite bitumite
lipo-hepinette
lothness
lyke-wake
marketwide risk
match(ed) filter
mayheming
mean flax
Meliola
Miruro
multidrop network
multiple throttle valve
N-1-dimethylaminoheptane
Ngaya, Dj.
nongeneticists
Okrzeszyn
on the barrelhead
palatine bones
pedal lobes
pitchy taste
planet symbol
polarpolymer
popular demand
postpast
psychological problems
raguinite
real-time command
recycling symbol
regulating mechanism for pitch adjustment
relative settlement
revenue from main sources
rotteth
scanning line spacing
selenonic
self-extinguishing circuit-break
serigraphers
setdrive
shifting banks
silver oxalate
sing high praise for
special mission unit
spriting
St Magnus Bay
stampeth
stereo SLAR mapping
straight loan
take someone under one's wing
thaspine
tip of file
train gauge
two-way dynamic microphone
ulmite
ureide
uveal staphyloma
Vasilika
wipe out
zone of fracture and flow age