同一植株上的细胞不同

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(298) / 评论(0) 分类 VOA2003(下)-环境与健康

New Words 8A @ implication n. 1. [C] (usu. pl.) a possible effect or result 可能的影响(或后果) @ 2. [C, U] sth. that is suggested or not openly stated 含义;暗示 @ clone vt. make an exact copy of a plant or animal by taking a cell fr

发表于:2018-12-04 / 阅读(186) / 评论(0) 分类 新视野大学英语读写教程词汇 第三册

As the development of high technology, nowadays, people have access to all kinds of new products, these high technology products bring convenience to peoples life. Cell phone is one of the biggest inventions, people can keep in touch with each other

发表于:2018-12-18 / 阅读(224) / 评论(0) 分类 2015年VOA慢速英语(一)月

[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(216) / 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(228) / 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(176) / 评论(0) 分类 每天一点英文

不少准妈妈们都为宝宝做过三维或四维彩超,并给宝宝们拍下人生中的第一张照片。而试管宝宝们如今更可以拥有自己胚胎细胞时期的珍贵影像,这就是细胞拍。 It is the latest trend in baby pictu

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 英文语法词汇

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(203) / 评论(0) 分类 2007年VOA标准英语(九月)

Growing Vegetables Without Soil Inside the Home 在家无土栽培蔬菜 Have you ever wanted to grow your own food inside your home? 你是否想过自己在家里种食物? Scientists in Finland have developed a device that may do just that. 芬兰

发表于:2019-01-12 / 阅读(457) / 评论(0) 分类 2016年VOA慢速英语(十一)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(183) / 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(236) / 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(210) / 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(188) / 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(355) / 评论(0) 分类 英语新闻

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(307) / 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(303) / 评论(0) 分类 趣味英语

Everyone is familiar with the riddle: Which came first, the chicken or the egg? This sometimes leads to discussions about bird evolution. But most people dont realize this type of question is common in paleontology. For example: Which came first, the

发表于:2019-02-15 / 阅读(138) / 评论(0) 分类 英语时差8,16

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(226) / 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(262) / 评论(0) 分类 英语新闻

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(203) / 评论(0) 分类 阅读空间
学英语单词
acrobatholithic
alphabet length
analytic model
Angerville
ardent spirits
Arys'
asaprol
ASESA
astegopteryx jamuritsu
be beaten on the post
beach face
benavente y martinez
blade cyclic pitch
bolt-on
bourders
cambazola
cash in bank-special funds
characteristic ratio
chippers
classification theory
condiment vegetables
cop knock
cottagehood
czarna struga
defocus transition
deglycerize
differential pinion spider
Disk Killer
dispute to arbitration
dyeaue
eczema erythematosum
even harmonic operation
eversion of lacrimal point
exocardia
expect to do
fall in with sth
family-value
fetchit
fire-buckets
fixed-point decimal constant
fletion
front damper
general air support
haircord
hamra
hand monitor
healthy society
hydrargyri cyanidum
hydraulic hold-down (system)
hydrofluorination reactor
hyperchromic
immigration authority
labeur
lathyrus vernuss
launcher
lover's
mechanist
metric martyr
monomonitor
nitris
nocebo effect
nonstore retailing
o-dichlorobenzne
octree
oil cistern
optional flag
over discharge range
perithecial
polyadelphites
polyominos
Port Maitland
postinduction
processer
program status word
psychopathy
public key certificates
puissantness
receiver synchro
red-breasted mergansers
Seaworthiness Guarantee
sensa
set one's mind at rest
sieve size
skin frictional resistance
slipper seal
sloop of war
Sounfat
statesmanly
steam converter
stereophonic image
strigent reactor assembly
systema nervosum autonomicum
teacher alientation
tectospondylic
test distance
took no notice of
total differential pressure
Tylophora arenicola
Veratrum micranthum
water seal scupper
wood-plastic
worm sth out of sb