射不稳定性

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(72) / 评论(0) 分类 VOA标准英语2010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(65) / 评论(0) 分类 Scientific American(十)月

ballast, ['bləst] n 压舱物(放在船舱或热气球吊篮里的重物,以增加稳定性);(性格上的)稳定因素 【记】ball球,last最后-最后的球-船最底层放了好多球-压舱物 【类】ballast:instability=

发表于:2018-12-30 / 阅读(87) / 评论(0) 分类 不择手段背单词

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(60) / 评论(0) 分类 2017年VOA慢速英语(四)月

By Kate Pound Dawson Recent rumors have prompted speculation that North Korea's government could be facing dangerous instability. While many experts say the speculation is overblown, they warn that Se

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 VOA2004(下)--新闻盘点

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(89) / 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(159) / 评论(0) 分类 2010年VOA慢速英语(七)月

AS IT IS 2015-08-25 Global Markets Fall as China Economic Fears Rise 全球股市下跌,中国经济担忧增加 Stock market shares in China fell sharply early Monday. The Shanghai Composite dropped 8.5 percent, marking the sharpest fall China has s

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2015年VOA慢速英语(八)月

AS IT IS 2016-01-14 Venezuelan President, Legislators in Conflict Oil-rich Venezuela appears to be entering a time of political instability. The conflict between the socialist government of President Nicolas Maduro and the opposition-controlled Natio

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2016年VOA慢速英语(一)月

For more, lets talk to Thitinan Pongsudhirak, Director of the Institute of Security and International Studies in Bangkok. Q1. What options does Yingluck Shinawatras government have to end the crisis? Q2. Will the violence trigger further instability

发表于:2019-01-16 / 阅读(85) / 评论(0) 分类 CCTV9英语新闻2013年12月

Cathy Majtenyi The U.N. peacekeeping mission in the Democratic Republic of Congo predicts much instability in the area if Rwandan troops are sent into DRC to flush out Hutu rebels as was announced ove

发表于:2019-01-21 / 阅读(91) / 评论(0) 分类 VOA2004(上)--国际时事

今天我们要学的词儿是stamp out。 Stamp out是消除,消灭的意思,一般用于不好的,或是危险的事物。To stamp out crime是消灭犯罪,to stamp out racism是消除种族歧视。 The companies vowed to stamp out piracy,

发表于:2019-01-25 / 阅读(74) / 评论(0) 分类 英语每日一词

You'd have a reason for chastity! said the Savage, blushing a little as he spoke the words. 你们有理由需要贞操!野蛮人说,说时有点脸红了。 But chastity means passion, chastity means neurasthenia. 但是贞操意味着激情,意

发表于:2019-01-29 / 阅读(66) / 评论(0) 分类 美丽新世界

By Mil Arcega Washington 03 December 2007 A panel of oil experts, including an ambassador from a producing nation, warned this week growing militancy in the Middle East poses a threat to world oil markets. The forum, hosted by a conservative think ta

发表于:2019-02-02 / 阅读(66) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(234) / 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(84) / 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(86) / 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(86) / 评论(0) 分类 英语新闻

To Minsky, this was an unfair and naive representation of Keynes's subtle and sophisticated views. 对于明斯基而言,这是对凯恩斯的精妙且成熟的观点的一种不公平且天真的表述。 Minsky's financial-instability hypothesis

发表于:2019-02-17 / 阅读(54) / 评论(0) 分类 经济学人财经系列

台湾籍旅美老师今天交给我们的句子是: This is an extremely emotionally-taxing process for me in terms of coming to terms with.... Maybe the nature of racism in my own life, in this country, in this world, If you wait until somebody's

发表于:2019-02-22 / 阅读(63) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
-compatible
Abirus fortunei
adenoleiomyofibroma
air voids
akee tree
Aleppo silk
arid cycle
Bacterium lactis innocuus
Bairstow number
Buchdorf
bunker on arrival
camphoryl
casino-boat
catheter retainer
chalkography
chavtastic
close-spaced
cochleo-orbicular reflex
combination program
common printed circuit board
conservative principle
contact me
continuous bleed
cussing out
delauro
diamond-coated
distribution circuit
double cabin
Earls Court
excellento
fantagraphics
Fed Word
first class ticket
fly away from here
genus roridulas
gnu assembler
hardhands
high water-level alarm
in high favor with
in-neighbour
intrapulmonary blood flow
intratracheally
introspectivenesses
irrigation and drainage
joist-hangers
Kanizsa triangle
kronens
library security
licensees
local cheguer
longspan underground structure
Lysimachia millietii
make havoc
market maker
mellicoton
melodidymus
methenamine
microencapsulated enzyme
middle commissure
nal'chik
net cumulative allocation
net export value
neurotonogenic
noeud
nortels
Nyandoma
optimal combination
Papudo
Pauli vector
personal culture
physical swap out
pilot jack
point-of-purchase advertising
preacher's hand
rack line
receive synchronizer
settignano
shaplen
shavings
shell bolster
short delay
shuttle experiment
solar plexus
soot wart
sounds of nature
stem pressure
succiduous
sulcomarginal tract
sulphamidates
sweet as pie
temporoparietalis muscle
touch labor
transformation of tax transit
transport pan
Trizolin
undervaulted
unified bar association
valentinoes
vasoneurotic diathesis
ventral fissure of eye bulbe
win recognition from someone
wood copying lathe