逆流电池

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(235) / 评论(0) 分类 VOA2003(下)-环境与健康

[ti:] [ar:] [al:] [by:] [00:01.00] Late At Night, Do You Turn Off Your Cell Phone? 今夜不关机 [00:08.22]Today, my friend asked me a question. [00:11.17]At night, do you turn off your cell phone? [00:14.78]If you dont, whom do you leave it on for

发表于:2018-12-26 / 阅读(172) / 评论(0) 分类 温馨夜读

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(183) / 评论(0) 分类 国家地理2008年

The girl would turn her cell phone off and put it by her photo on the desk everynight befor going to bed. This habit had been with her ever since she bought the phone. The girl had a very close boyfriend,when they couldn't meet ,They would either cal

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 每天一点英文

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(九月)

Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt

发表于:2019-01-12 / 阅读(153) / 评论(0) 分类 2015年VOA慢速英语(十)月

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2008年(五月)

> 11 关于使用蜂窝式电话安全性的研究 DATE=3-8-01 TITLE=SCIENCE REPORT - Largest Cell Phone Study BYLINE=George Grow ( Start at 59

发表于:2019-01-30 / 阅读(181) / 评论(0) 分类 科技之光

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(164) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(156) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(309) / 评论(0) 分类 英语新闻

001 See you later.待会见;再联络 A: I have to go.B: See you later. 002 What’s up?近来过得如何? A: Hey! What’s up?B: Nothing much! As usual. 003 It’s on me.我来付 A: The beer is

发表于:2019-02-06 / 阅读(122) / 评论(0) 分类 实用英语

10 Things You Didnt Know About Cell Phones Just when we feel comfortable enough to say wow, cell phones have really changed the way we operate, things get even weirder. Here are 10 facts about cells from around the world that show the scale and style

发表于:2019-02-07 / 阅读(274) / 评论(0) 分类 阅读空间

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(269) / 评论(0) 分类 趣味英语

酒店常用英语表述 1.I'd like to book a double room for Tuesday next week.下周二我想订一个双人房间。 2.What's the price difference?两种房间的价格有什么不同? 3.A double room with a front view is 140 dollars per night,o

发表于:2019-02-12 / 阅读(159) / 评论(0) 分类 实用英语

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(219) / 评论(0) 分类 英语新闻

1 See you later.待会见;再联络 A: I have to go. B: See you later. 2 Whats up?近来过得如何? A: Hey! Whats up? B: Nothing much! As usual. 3 Its on me.我来付 A: The beer is on me. B: Thank you. 4 I mean it.我是说真的 A: Do you rea

发表于:2019-02-19 / 阅读(110) / 评论(0) 分类 英语口语

Mike: Hey, Amanda, have you heard of the new online computer game? It's called Skullfire and it's all the rage right now! Amanda: Actually, I have heard of it. Isn't that the game where you go around and just shoot people? It seems like a pretty poin

发表于:2019-02-23 / 阅读(122) / 评论(0) 分类 英语时差8,16

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(167) / 评论(0) 分类 阅读空间
学英语单词
Academy Bay
afonso claudio
aggressiveness species
air vice - marshal
airscrew balancing apparatus
All Weather Fund
anticipated transient without scarm
attapulgite deposit
auliplex
average magnitude
bainites
bath ratio
beam switch
booting and restart procedure
borzage
brittle willow
bugseed
cadmium(Cd)
cely
central cooler
chemical factory
class 0I equipment
clear the table
colluded
combined wool washing and drying machine
core memory sense amplifier
decrease of acid-concentration
deracoxib
dun laoghaire (kingstown)
economic area
ehss
ejecting force
empty car kilometrage
erdosreine
Eritrichium axillare
extension against rule
extracorticospinal
familarity
fault clearance time
for example
full-dressed
gasterophilid
Gujeratis
hafflin
hard-hat
heucheras
hodges bivariate sign test
i-laced
indefinite form
junkhead ring
laser level ga(u)ge
lentils
longhead
Lālāghāt
marine geological laboratory
martite
mastercraft capillary watch oiler set
molestache
multimode optical fibre
multiphase monolithic
muses
Naja
netplankton
network of foreign corresponding banks
non-excludable
oakle
off-scum
optical 3r regenerator
Papandayan, Gunung
Parnellism
planometers
pot scrubbers
potassium hexaborate
push shot
pylorodilator
quench texture
rationalizable
reduce incidence matrix
reduction divisions
relativistic velocity addition formula
repeater distribution frame
route indicator lever
russel-hertzsprung diagram
shell and coil condenser
shut you up
sihanoukville
snaphead
soooooo
spewest
stab cell
state - owned enterprises
strippers
styill
tape initialize
teepleite
templatised
thistle funnel
trough iron
Vresen
water-repellent film
wide open
working register group