X射线厚度计

A: Whoa, I never saw a meter like this before; how do you use it? B: It's simple, once you do it a few times. Do you know how the old one worked? A: I never used a parking meter before. B: So we start out by deciding whether you will use cash or a cr

发表于:2018-11-30 / 阅读(237) / 评论(0) 分类 英语情景对话-大学生活

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(十)月

第26期:Something Wrong with the Meter Y:What's the fare,please? Y:请问车费是多少呢? X:Twenty dollars and sixty cents. X:20.60美元。 Y:What?You're overcharging me! Y:什么?你一定多收我的钱了! X:No way.Look.That's what the mete

发表于:2018-12-26 / 阅读(181) / 评论(0) 分类 出国旅游口语一本通

人的大脑的结构会影响人的政治立场吗? Alice: Hello, I'm Alice. Rob: And I'm Rob. Alice: And this is 6 Minute English! Weve had a special request from our listeners in Lugano, Switzerland for a more complicated topic this week. Were t

发表于:2018-12-27 / 阅读(173) / 评论(0) 分类 一起听英语

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(173) / 评论(0) 分类 突破英文词汇

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 2017年VOA慢速英语(四)月

Alice: Hello, I'm Alice. Rob: And I'm Rob. Alice: And this is 6 Minute English! Weve had a special request from our listeners inLugano, Switzerland for a more complicated topic this week. Were talkingabout the structure of the brain, and how it could

发表于:2019-01-07 / 阅读(209) / 评论(0) 分类 六分钟英语

This is Scientific American's 60 Seconds Science. I'm Steve Mirsky. Got a minute? In 1900 legendary physicist Max Planck described the way energy gets dissipated from any nonreflective object, called a blackbody. But even Max said if something else i

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(八)月

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(187) / 评论(0) 分类 英语新闻

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(273) / 评论(0) 分类 2010年VOA慢速英语(七)月

英语新词:这些meter后缀单词 你理解对了么? anemometer n. 风力计,[气象] 风速计。 audiometer n. [耳鼻喉] 听度计,听力表;测听计;音响测定器。 barometer n. [气象] 气压计;晴雨表;显示变化的事物

发表于:2019-01-14 / 阅读(202) / 评论(0) 分类 英文语法词汇

She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da

发表于:2019-01-22 / 阅读(165) / 评论(0) 分类 自然百科2013年

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(315) / 评论(0) 分类 英语新闻

A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 英语新闻

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 英语新闻

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(408) / 评论(0) 分类 Facts-事实

妊娠糖尿病与心脏疾病有关 WASHINGTON, March 12 (Xinhua) -- Women who develop gestational diabetes may face an increased risk of early heart disease later in life, even if they do not develop diabetes subsequent to their pregnancy, U.S. res

发表于:2019-02-08 / 阅读(188) / 评论(0) 分类 英语新闻

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(180) / 评论(0) 分类 英语新闻

17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地,我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te

发表于:2019-02-25 / 阅读(180) / 评论(0) 分类 万物简史

A: Excuse me, could you help me figure out how to use this new parking meter? B: Sure, it was confusing for me also. Have you ever used a regular meter? A: Yes, I understood the old one. B: Well, on this one you can use coins or a debit or credit car

发表于:2019-02-27 / 阅读(223) / 评论(0) 分类 大学生活-College Life
学英语单词
2-iodothiophene
a herd of
a promise made is a promise kept
A word to the wise is enough .
abusive expression
acetonaemic
aerdrome
Akron machine
as dead as the dodo
as poor as a church mouse
ask someone's pleasure
atomic photodissociation laser
backward link
blood-pressure sensor
buying food
cobaltic potassium cyanide
colometric
coordination with
cylinder double layer sand siftering machine
disapparates
document issuing agency
double column vertical lathes
double lead covering
electronic information system
elimination of waste
Euschongastia indica
feijoadas
forward diary
foutre
fresh water
genus saprolegnias
geriarchies
Gorham disease
grape sprayer
hackmatack
have an audience with
helical fracture
hieraticism
hunting horn
indirect damage assessment
intergeneric grafting
key issues
klosowski
leading pad
leprosa
life supports
lifting the veil
lindfors
loss of the private right
low gears
low-demand
mancilla
MATS,M.A.T.S
megasome
microcavity
minodronic acid
Molinella
natsemi
natural disintegration
natural radiation environment
nominal ball diameter
nutrient agars
octoseptate
Oldeberkoop
packaging paperboard
parachlorotoluene
product certification
pseudohaemophilia hepatica
pump cars
quita
radio ham
radioactive-solution gauging
random sentence generator
recure
redefined
regional preliminary trials
relay armature travel
rock wreath
rosa luciae rosea
saddle horn
salt spray device
sanborns
Saryuurin
schapping
selective-solvent-refined oil
self-ignition light
sigmoid sinus
skringed
slidingness
steel purlin
stichophthalma howqua formosana
Streptothrix pseudotuberculosa
superelevated curve
supervision order
telescopic gangway
transversal vector
unsplit
weakly damped
whiches
windrow baller
zipper fleet
zorotypus newi