透镜辐射高温计

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(279) / 评论(0) 分类 初级口语教程

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(536) / 评论(0) 分类 2018年VOA慢速英语(二)月

Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und

发表于:2018-12-08 / 阅读(120) / 评论(0) 分类 VOA标准英语2010年(一月)

Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉:卢克,

发表于:2018-12-08 / 阅读(453) / 评论(0) 分类 赖世雄初级美国英语

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(112) / 评论(0) 分类 2011年VOA慢速英语(六)月

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(113) / 评论(0) 分类 Scientific American(十)月

发表于:2019-01-02 / 阅读(245) / 评论(0) 分类 知性英语

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(108) / 评论(0) 分类 2017年VOA慢速英语(四)月

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(365) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(106) / 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(138) / 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(208) / 评论(0) 分类 2010年VOA慢速英语(七)月

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 2011年VOA慢速英语(六)月

photo, photograph 照片,像片 snapshot, snap 快照 photographer, cameraman 摄影师 backlighting 逆光 backlighting photography 逆光照 luminosity 亮度 to load 装胶卷 focus 焦点 to focu

发表于:2019-02-02 / 阅读(125) / 评论(0) 分类 英文语法词汇

still camera 照相机 cinecamera 电影摄影机 (美作:movie camera) television camera 电视摄像机 box camera 箱式照相机 folding camera 风箱式照相机 lens 镜头 aperture 光圈 wide-angle lens 广角镜头 diaphragm 光圈 telephoto lens 远摄镜头,长焦镜头 zoom lens 变

发表于:2019-02-05 / 阅读(196) / 评论(0) 分类 英文语法词汇

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(277) / 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(137) / 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(122) / 评论(0) 分类 英语新闻

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

发表于:2019-02-07 / 阅读(105) / 评论(0) 分类 VOA标准英语2010年(一月)

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(127) / 评论(0) 分类 英语新闻
学英语单词
advance balance line
air-inlet
airport traffic control tower
Allium tuberosum Rottl. ex Spreng.
AND NOT-gate
antisialagogue
apprecate
be delayed
belching
bfd, BFD
black-short
bolus (halloysite)
branch operator matrix
break down barriers
buelaches
burns the midnight oil
capacitive lag
catarobia
chemical disinfection
circular view
cocultivate
coelenteramide
coining
conservacion
consumer's exceed demand function
Corrientes, C.
dahaniya
decision - making body
Dourada, Sa.
drinking chocolates
Egyptian alfalfa weevil
enclosed ventilated type
ethnoveterinary
evener
exemption from customs duty
fall into
Farewell Sermon
fine-group averaged cross section
floating dock crane
form bubbles
Fourier inversion formula
genovariation
go beyond the bounds of
half-imperial
headless nail
hobblebushes
hypognathism
imageflow
import demand
in a stroke
indefinite relative pronoun
intra-administration
kenworth
kolde
kronenburg
La Puebla de Valdavia
made shift with
multiordinal crochets
mushroom worker's disease
neoanal
Nimen'ga
No mill, no meal.
none of your beeswax
nuffield a-level biological science
opportunistic infection
orange pigments
pale gold
parkier
pontine arteries
potential motion
printer for Chinese character
printer's palsy
pyramid method
rawls criterion
razzmatazz
rdes
rensberger
reorganizings
RIF
Savignano sul Rubicone
semiconductor optical amplifier
silone
sixtus
sordidities
splitting homomorphism
stable period
Stanki
state-sanctioned
Ste-Anne, L.
strathspeys
subdivision deuteromycotinas
support polygon
supra-conductor
switch rack
tar-sands
tip circle
tolsons
upper aerofoil
Viburnum erubescens
weld joint configration
whipper deseeding machine
yeast rousing apparatus