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(108) / 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(73) / 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(136) / 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(113) / 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(82) / 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(61) / 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(73) / 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(152) / 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(129) / 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(83) / 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(122) / 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(101) / 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(87) / 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(117) / 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(85) / 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(130) / 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(107) / 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(125) / 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(108) / 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(135) / 评论(0) 分类 实用英语
学英语单词
-headed
acoustic jamming
artificially soiled cloth
bake a cake
barchan chains
baths
bereaving
birch-bark tar
blind-coal
bridge-buildings
BWR control rod
C-arm
call office
carrying case
circulated aeration tank
circumscribed edema
colytic
commodity standard
concurrent run unit
CONIOPTERYGIDAE
corporate court
definitional
developed head
dihydrostreptomycin sulphate
diin
DIPTU
dogstooth checks
Druidics
egg slice
Etne
Ezekiel, Moses Jacob
fire-proof asbestos clothing
GIbeonite
giltest
gracilaria bursa-pastoris
Gravenhage
harambees
hydraulic relay valve piston cup
inamorata
incident wavefront
inlet volute
inner anchorage
interruptions
intra-uterine pneumonia
ion detection
ionospheric structure
irradicating
kilcullen
Lake Paringa
Listed Market
machinery space
Madaba
made head or tail of
minimum distance error-correcting
mitcher
modesty boards
morwoun
news reporting
noncausal signal
on the hog
out in nowhere
overarches
pedigristical
periosteal bone collar
petrean
picoideous
platoon sergeant
process of inhibition
quasi-sample size
range-finders
receptories
redaction
retinal illumination
Rhodobacterium
righteous among the nations
roars
sand-flat
Scarl
sebum palpebrals
septal cells
shore facilities
simulatios
slide way
special technical report
spin-on cartridge lubricating oil filter
swats
terminal control processor
thingumbob
Tipton St John
transalodolase
tumble card
two-mile
UHF-antenna
uncontrolled rod withdrawal accident
vender lead time
verticillatum
video broadcast
viewingbox
whirl instability
wooden face
yield stress