人造辐射线

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

发表于:2018-12-02 / 阅读(251) / 评论(0) 分类 2007年NPR美国国家公共电台

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(229) / 评论(0) 分类 创新英语

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Japan's nuclear crisis may mean greater demand for imported food and less competition from Japanese products on world markets. But it also means that

发表于:2018-12-07 / 阅读(148) / 评论(0) 分类 2011年VOA慢速英语(三)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(178) / 评论(0) 分类 VOA标准英语2010年(一月)

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

发表于:2018-12-16 / 阅读(151) / 评论(0) 分类 VOA标准英语2015年(一月)

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

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(275) / 评论(0) 分类 60秒科学

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(158) / 评论(0) 分类 2017年VOA慢速英语(四)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(195) / 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(288) / 评论(0) 分类 2010年VOA慢速英语(七)月

Japanese Town Split by Radiation Evacuation Zone It is an extraordinary meeting of the Kawauchi village assembly. Because of severe damage to the village's municipal hall from the earthquake, the public gathering has been convened at a community cent

发表于:2019-01-13 / 阅读(180) / 评论(0) 分类 VOA标准英语2012年(三月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(240) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(205) / 评论(0) 分类 VOA标准英语2011年(二月)

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前,The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(175) / 评论(0) 分类 英语单词荟萃

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(327) / 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(187) / 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(170) / 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(154) / 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(199) / 评论(0) 分类 英语新闻

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

发表于:2019-02-12 / 阅读(246) / 评论(0) 分类 VOA标准英语2011年(十一月)
学英语单词
Abolition of General Average
Acquaro
Actinonema
Adlumia
Aftalosia
all-inclusive
annual roll-forward basis
artemesia
bankrobber
bozbash
Browns R.
cacquet
cake-shops
carbon sources
carbonated drink
carbonizing zone
CEW
cheng
chlororuthenate
colorimetric solution
community-oriented primary care
control circuit with variable amplification
copyright originality
corner influence
course selector
cutaneous sense
cylinders in line
de stress
dial (dialing)
dictyosporium heptasporum
digital hierarchy
diureticum
entropy-coded data segment
fenestra nov-ovalis
flint glass paper
follow up speed
foundation-bed
from ignorance
gauge reduction
gear wheels
hail blows down on sb
HeidelbergCement
hook-type saddle
Hudson Bay
hystricids
installation of system software
Kanacort
kinemics
krills
Lelogama
lichen irlandicus
lionitis
magnetic read-write head
mass spectrum analysis
microcrystalline structure
molopo
Monospot
Nabha
name of an object
navel-cord
network theory
ophiolitic suite
osphresiolagnia
paintbrush
percent yield
phytodetrital
pivoted shoe thrust bearing
Platonic Academy
poly-1-lysine
pressuresensitivity
purinyl
Qarah Bāgh
rectus set
refuting
Rosny
Scheemda
Scutellaria soongorica
Secunderabad
sermonet
sextics
smarticle
snake photon
solemn promise
special rapporteur
Spirilleae
square-cutting
straight shank
superficies solo cedit
Taken as read
through circuit
tiaomachien age
trialmanufacture on a small batch basis
Tucker's Town
turfs out
Tuzla, L.
unspang
useful thermal power
visual channel
vitriol ocher
wheenerd
wristband
zinc-air