类比感光化学效应

Severe drought has sent river levels in parts of central and northern China to record lows, affecting millions of hectares of farmland and leaving more than a million people short of water。 严重干旱已导致华中和华北部分地区河水水位

发表于:2018-11-29 / 阅读(255) / 评论(0) 分类 英文语法词汇

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(199) / 评论(0) 分类 VOA慢速英语2007年(十)月

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(220) / 评论(0) 分类 VOA2003(下)-环境与健康

China Hopes Trade Deficit Will Slow Calls for Weaker Currency China hopes its first quarterly trade deficit in seven years will quiet calls for it to revalue its currency, which Western nations say is artificially low and gives Chinese companies a tr

发表于:2018-12-16 / 阅读(166) / 评论(0) 分类 VOA标准英语2011年(四月)

The International Monetary Fund is giving a bigger share of votes to Mexico, Turkey, South Korea, and especially China to account for the growing role their economies play in the world. The United States encouraged this change to give these countrie

发表于:2018-12-30 / 阅读(246) / 评论(0) 分类 初级商务英语听力2006

This is Scientific American 60 second Science I am Sophie Bushwick, got a minute? As it ages, white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The re

发表于:2019-01-08 / 阅读(251) / 评论(0) 分类 Scientific American(四)月

1. The U.S. and France reached an agreement on a UN Security Council resolution to bring an end to the fighting between Israel and Hezbollah. U.S. Ambassador John Bolton says the resolution will proba

发表于:2019-01-08 / 阅读(245) / 评论(0) 分类 美联社新闻一分钟2006

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(246) / 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(199) / 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(196) / 评论(0) 分类 VOA标准英语2008年(五月)

Ever look in the mirror the first thing in the morning and say I look like a crap While for some spiders, looking like poop can actually be a life saver, because masquerading as a bird toes appears to protect certain eragnite from getting eaten by wa

发表于:2019-01-20 / 阅读(171) / 评论(0) 分类 2014年Scientific American(八)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(199) / 评论(0) 分类 英语听力广播—Listening

Mr. Theodore Twombly, welcome to the world's first artificially intelligent operating system. We'd like to ask you a few questions. Okay. Are you social or anti-social? I think I haven't been social in a while. How would you describe your relationshi

发表于:2019-01-23 / 阅读(207) / 评论(0) 分类 英文电影预告片填空

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(246) / 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(230) / 评论(0) 分类 实用英语

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(209) / 评论(0) 分类 英语每日一词

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(218) / 评论(0) 分类 英语作文

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(208) / 评论(0) 分类 英语新闻

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(261) / 评论(0) 分类 英语单词荟萃

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(237) / 评论(0) 分类 英语新闻
学英语单词
acclaimeth
Ajania fastigiata
amalienborg
angular overlap
askins
at variance with
barkin'
beir hill
Bullawarra, L.
carex satzumensis
Cgy.
chant the praises of
chhatak
coefficient of mean deviation
cookoff
corynolamine
deep drawing sheet steel
demand one's pound of flesh
dependable communication
Desha
devaricate
electrostatic precipitation
Eupatorium cannabinum
experiment with skips in the row
fault-finding
fibromyxolipoma
fixation phenomenon
fork extension
frustoconic
Gargano, Testa del
geistlichers
get a living
guarantee obligation
handraises
harness honeycomb weave
HENRE (High Energy Neutron Reaction Experiment)
honeyman
house doors
house-hold sector
Indian rhinoceros
isopicropodophyllotoxin
Keep on !
law of closure
leather color
lenges
local flag
macromolecular syntheses
mail ordering
malintzin
medicinal flavours
meliola heterocephala
meta-orientating group
middle channel
monitor (in programming language)
museology
N-ethylaminobenzene
natural mother
neoteny
network structure of carbide
nominal full scale value
nonqualifier
one-quantum theory
one-time fuse
oomycote
overload/under-load indicator
paleocoastline
Palitzsch's buffer solution
Pocillas
princess mononoke
put a stopper on
queen of the meadows wheat cultivar
registred
release pressure
resilient shaft coupling
river weir
ruberal
scoop-channel
semicolonialism
single property tax
small field radiometer
soft handover
spaciotemporal
Stawiszyn
stream-lined
Styrax obassia
sulfur-removing sorbent
supraconduction
thic
throw money around
throw over plow
tidal volumes
timer identifier
Tomóchic
top sieve extension
total-revenue
transformational semantics
tripospermum variabile
uranyl nitrate
uteroabdominal pregnancy
uteropelvic ligaments
weighting functions
Yttrocalcite