扁平上皮细胞

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(204) / 评论(0) 分类 VOA2003(下)-环境与健康

本单元是关于在公寓的对话 Tim: Alice this is my cousin Michal - our new flatmate. He's really missing his friends. Alice: Oh, Michal let me take your mind off that...So, where are you from? Michal: From near Warsaw - the Polish capital. Alice: Oh, wh

发表于:2018-12-03 / 阅读(147) / 评论(0) 分类 公寓伙伴

我觉得,一个人只有生病的时候才最能体会健康的宝贵。您是不是也有同感呢?我先生最近就染上了重感冒,一连好几天起不来床。我今天要教给大家的习惯用语,正好能够恰如其分地形容这

发表于:2018-12-16 / 阅读(136) / 评论(0) 分类 美国习惯用语

Brooke: And you didn't think to leave them my cell phone? Jack: I didn't think there would be a problem. Brooke: It's the holidays! Everybody knows how hard it is to get tickets! Jack: I'm sorry. We're still going. I got reservations for all of us on

发表于:2018-12-25 / 阅读(128) / 评论(0) 分类 Eztalk美语会话

Getting a Flat Tire Jaloliddin: What is that thumping noise? Minisa: I don?t hear anything. Jaloliddin: I think you have a flat tire. Minisa: The left rear tire has a slow leak, but I just inflated it the last time I was at the gas station, so I?m su

发表于:2018-12-27 / 阅读(174) / 评论(0) 分类 2015年ESL之旅行交通购物

[00:05.70]3 Listen and tick. [00:09.21]Listen to the dialogue and tick the activities [00:13.53]that the people are doing. [00:17.05]1 Hello. Is that Sarah? [00:19.61]Yes, it is. [00:21.53]It's Susan here.Can you come and play with me? [00:25.08]No,

发表于:2018-12-29 / 阅读(117) / 评论(0) 分类 外研社新标准初中英语七年级

[00:02.68]Module 4 COME AND PLAY WITH US! [00:06.66]UNIT 1 We're helping our mother clean the flat. [00:11.85]1 Listen and read.Then say. [00:16.10]Hello? [00:17.36]Hello. Is that Hu Shan? [00:19.99]Yes, it is. [00:21.71]It's Li Jie here. [00:23.28]I

发表于:2018-12-29 / 阅读(111) / 评论(0) 分类 外研社新标准初中英语七年级

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(173) / 评论(0) 分类 国家地理2008年

多功能英语阅读36 The Flat Tire

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 多功能英语阅读

参考对话: A: Guess what? We first got a flat tire, and now my cell phone is dead. A: 你猜怎么着? 开始我门的车爆胎了, 现在我的手机又没电了。 B: Oh, boy! B: 唉! flat tire 是爆胎的意思。 Oh, boy!是美国人加拿大

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 美国俚语

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(160) / 评论(0) 分类 2007年VOA标准英语(九月)

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(124) / 评论(0) 分类 VOA标准英语2008年(五月)

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(147) / 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(147) / 评论(0) 分类 VOA常速英语2008年(四月)

伤口护理 wound management 伤口 wound 一、伤口的性质 Nature of Wound Bed 1、 健康肉芽形成 healthy granulation 2、 上皮形成 epithelialisation 3、 腐肉 slough 4、 黑色或棕色坏死组织 black/brown necrotic tissue 5、 其他(具体说明) specify 二、渗出液 Exu

发表于:2019-02-03 / 阅读(127) / 评论(0) 分类 英文语法词汇

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(293) / 评论(0) 分类 英语新闻

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(256) / 评论(0) 分类 趣味英语

今天我们要学的词是flat-out。 Flat-out, 是完完全全的,彻头彻尾的意思。 It was a flat-out lie, 这是一个彻头彻尾的谎言。 The Oscar winning actor once considered himself a flat-out failure, 这个获得奥斯卡奖的男

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 英语每日一词

今天我们要学的词是 flatline. Flatline的意思是停滞不前,可是作名词或者动词。The Bank of England has said it believes the UK economy will flat-line this year.英格兰银行说,英国经济预计今年将出现零增长。

发表于:2019-02-08 / 阅读(140) / 评论(0) 分类 英语单词荟萃

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(210) / 评论(0) 分类 英语新闻
学英语单词
-uret
a blow-by-blow account
abortion rate
ademas
adsl terminal unit - remote
algaroba
anertan
anthropogenic activities
arca
Bacillus pasteurii
baldauf
bangham
blanket bombing
blubus
cable man
calculation diagram
carbonizing flame
cathochromism
certified data processor
claim based on non-confirmity
complete androgen insensitivity syndrome
customary quick dispatch
D.Sch.Mus.
dunts
dyslogistic
eco-car
economic tribunal
electric organ synapse
epistolite
furtiveness
gas engine oil
geiler
generous
giga-ohms
go on the rates
godforsakenness
graphic training aid
high speed vertical external broacher
instantaneous ignition
interdependent function
isogonal mapping
jecka
Joao Pessoa
Kuching
Lake Chudskoe
laser beam machining
liquor gutta percha
litho oil
locked-open manual valve
lumber product
melaminoformaldehyde resin
microangio-anastomosis
milligram equivalent
monolithic patch
nondecisions
Notoryctidae
objectioner
OptiPranolol
other-worldness
pregamic
priority ordered interrupts
progressive soul
propellant composite
proteranthous
quarryings
radioelectroencephalograph
rail cropping method
raquet cells
reference current meter
reverse flotation
riser pipes
rotating-anode x-ray tube
Rothenfels
secondary criterion
self screening jamming
session level function
short-wave receiving station
star-faring
student-centered
sulphuric acid poisoning
svich
sylow group
synchronous pull-in torque
take auspices
Tannu-Ola, Khrebet
tattle-tales
tippest
trailing
transfer door
triple effect
tunicate
two-conductor wiring
uniflow-engine
upper feed threshing
utilization fraction
Verkhnevilyuysk
virus receptor
walkably
water quality measurement
westrons
Wikstroemia linoides
wipe out a disgrace