音标:['taɪtə; 'tiːtə] ;
n.
[英国英语]【化学】 = titer

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(438) / 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(310) / 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(396) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

发表于:2018-12-13 / 阅读(431) / 评论(0) 分类 Wee Sing For Christmas

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(347) / 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(326) / 评论(0) 分类 英语单词荟萃

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

发表于:2019-01-03 / 阅读(327) / 评论(0) 分类 VOA2004(下)--健康科技

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(491) / 评论(0) 分类 优美儿童英语歌曲

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(366) / 评论(0) 分类 Scientific American(八)月

发表于:2019-01-10 / 阅读(543) / 评论(0) 分类 Wee Sing Around the World

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(509) / 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(421) / 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(334) / 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(391) / 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(318) / 评论(0) 分类 2010年慢速英语(三)月

Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst

发表于:2019-01-20 / 阅读(362) / 评论(0) 分类 VOA标准英语2010年(三月)

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(330) / 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(411) / 评论(0) 分类 科技之光

今天我们要学的词是multitasking。 Multitasking, 原本是计算机术语,指多重任务同时处理,现在已经被沿用到日常生活中,指同时干很多事情。现在的美国中学生,一边写作业,一边听音乐,还要

发表于:2019-02-02 / 阅读(320) / 评论(0) 分类 英语单词荟萃

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(450) / 评论(0) 分类 实用英语
学英语单词
aglossostoma
allenol
alongshore wind
aneurysmal hematoma
annihilable
Aurora, Prov.of
authorised
bad start
bad tempers
Belgrave
Boghaz
Braine-le-Comte
branch joint
cable carrier
calcitration
card grinding machine
case-making machine
caustic washing tank
cavum extradurale
centrine
chandleress
colo(u)r picture monitor
commercial culture
continuous flow system
core floatation
corrosivity
crank shaft complement
crosstalk attenuation measuring
cumulative cost
cup-head
d-cache
daily aberration
Delivered Ex Quay
didecyl phthalate
Dilydrin
dngioma serpiginosum
elenchical
eminentia foss? triangularis
enferre
equitensin
Faramita
fertilizer applicator
fiber reinforced ceramic
financial clique
form removal
free-bend test
galvanized steel sheet
gas oxygen exhaust tower
genus dipodomyss
give sb to understand that
grey-back
gustatory nerve
Haemobartonella blarinae
high speed planter
high tackles
hinda
hornblendite
impliest
imploys
inlet aerodynamics
integra
irreversible breaking
Jalacingo
kintic temperature
kocks
lexises
locked grooves
mobile grease
not misdemeanour
object snap
oculudato
organofluorine
oxolation polymer
palm oil grease
pictoriality
pillemers
power-level diagram
primitive equation model
privileged slave program
pulling off device
quintana roos
ramonce
recognized quotation
right eigenvalue
Rocky Mountains spotted fever
rule based
rule of classification
saweds-off shotgun
scantle
sodium oleate gel
stratum germinativum
task equipment
temperature adjusting device
thermal velocity neutron
thermostabilizing
titfield
TV Pool Room
urocystiss
watch-straps
western king prawn
woollily
writ of error