辐射引发自氧化

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers at Ohio State University studied exercise-induced asthma among top athletes at the school. Ohio State football players practice earlier this year.

发表于:2018-12-07 / 阅读(145) / 评论(0) 分类 VOA慢速英语2007年(十)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(150) / 评论(0) 分类 Scientific American(十)月

A: Do I need to take any special safety precautions in this city? B: This is a very large city with a lot of crowds to work your way through. Keep in mind that poverty makes people a little more desperate. A: What should I watch out for? B: You have

发表于:2018-12-25 / 阅读(120) / 评论(0) 分类 旅游英语对话

A: This city is much larger than the one I live in, and I wonder if there is anything special that I need to keep in mind. B: Crime can happen anywhere, but it is a little worse here because of the poverty. A: Should I be vigilant about anything in p

发表于:2018-12-25 / 阅读(105) / 评论(0) 分类 旅游英语对话

A: Is there anything special I need to think about as I tour this city? B: You need to keep in mind that this is a very poor country. Things are a little more desperate here than you are used to. A: What do I need to look for? B: Be particularly vigi

发表于:2018-12-25 / 阅读(155) / 评论(0) 分类 旅游英语对话

autobiography /ˌɔ:təbaɪ'ɒɡrəfɪ/ In her autobiography The Story of My Life, Helen Keller tells how unruly she was as a young child. -- story of a person's life written by the person himself ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 突破英文词汇

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(167) / 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(251) / 评论(0) 分类 2010年VOA慢速英语(七)月

Lesson Nineteen 听力部分 Dictation: Please prepare your paper and pen. There are really __________ for _____ wine ______-_______________ a good corkscrew, ____, _______________, __________ the ____ of _______. The ______________ that most America

发表于:2019-01-14 / 阅读(188) / 评论(0) 分类 王强口语 第二册

And we believe that these responses in higher-order areas are induced or become similar across listeners 我们认为,听众这些相似的大脑高层次区块反应, because of the meaning conveyed by the speaker, and not by words or sound. 是由

发表于:2019-01-18 / 阅读(144) / 评论(0) 分类 TED演讲科学篇

By Carol Pearson Washington 07 May 2008 The World Health Organization expects the number of women who smoke to triple over the next generation, if current trends continue. As a result, it expects more than 200 million women to die from tobacco induce

发表于:2019-01-19 / 阅读(149) / 评论(0) 分类 VOA标准英语2008年(五月)

Ways to smile 微笑的方式 Give and maybe don't receive. 付出,也许无需有所得 College is a perfect time to get involved in volunteering for a cause. 大学是个为了一个目标参加志愿活动的绝佳时间。 No matter what your p

发表于:2019-01-22 / 阅读(147) / 评论(0) 分类 英语听力广播—Listening

A letter which could stand for evergreen. There are sticks of trees everywhere. Or extreme environment. Bye-bye. Or even for experts. In the vicinity of five minutes, these pants should be in New York. But while these would be suitable selections, th

发表于:2019-01-23 / 阅读(167) / 评论(0) 分类 探索与发现2013年

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(184) / 评论(0) 分类 60秒科学

让人无语的电脑失忆症 各种电子设备用久了,我们好像都习惯了打拼音、选汉字。真正要拿笔写字的时候就会出现提笔忘字的情况,有关专家把这种现象叫做电脑失写症。 你有电脑失写症吗?

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 实用英语

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(298) / 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(159) / 评论(0) 分类 英语新闻

BEIJING, Sept. 26 (Xinhuanet) -- Young unmarried migrant women are facing a high risk of induced abortions in China and experts urged that they have better access to reproductive health education. Among the 8 to 10 million induced abortions performed

发表于:2019-02-07 / 阅读(142) / 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(144) / 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(162) / 评论(0) 分类 英语新闻
学英语单词
air lubricated thrust bearing
anti-scorching agent
axiobuccogingival
backward conditional probability
bar fagoting
be across to sb
be merciful
bittersweets
boerhaave
brantly
brick works
cam gecidi
carboloy monoxide
channeling radiation
chinni
civilian goods
cold-roll
compiler los alamos scientific laboratories
concertize
conspictious
Crotto
deduct
Densborn
earfuls
electro chemistry
elottery
ethnoornithology
expensed
fan blade (flade)
Ferdows
frame planer
gene signature
genus monotropas
geography paper
grid tray
lawrence peter berras
Marifjφra
marking variable
Menzel Temime
metallogenetic
metapleura
minimize the maximum resources required
modified paper
monowhite
most recent association
nauru(pleasant i.)
nolt
nonagueous
not entirely
oath of allegiance
odo(u)r intensity
on my own initiative
one's strong suit
participant-observation
passive memory
past paper
patrollings
Pemba Island
Phan Chau Trinh
plant demineralized water hose station
Post-Party Depression
pottia truncatula(wdb.et mohr.)lindb.
puaplane
Querpon
reachable forest
red calcareous soil
red trillium
rod reading
routine monitoring
schenkels
schrenkers
see fair play
send cell
show a resemblance to
signiorship
similary
social anxiety
Soutine, Chaim
speakless
spray electrification
stepping downs
strumbox
subsidiary engine
superenergized
synthetic rice
temperature susceplibility
to hell and back
transference of tendon palmaris longus
treunt
trimetaphan camphorsulfonate
trpf
truncus sympathicus
tutorest
unspecialized
volume-limited design
wankel rotary engines
water tree
waterpoloes
wheedlingly
whiteprinting
winnowing fan
without bite or sup