大孢子母细胞

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(144) / 评论(0) 分类 VOA2003(下)-环境与健康

柯灵思英语-英语听力高手38

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 柯灵思英语

Texting while driving. Statistics say its the number one driver distraction. And it's also something Karol Smith fears everyday. It's kinda scary. As the mother of a teenage driver, it's not her son she's most worried about texting. It's the other dr

发表于:2018-12-11 / 阅读(66) / 评论(0) 分类 访谈录2009

Topic(题目): Imagine that you are preparing for a trip. Youplan to be away from your home for a year. Inaddition to clothing and personal care items,you can take one additional thing. What wouldyou take and why? Use specific reasons anddetails to

发表于:2018-12-18 / 阅读(58) / 评论(0) 分类 英语作文

[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(102) / 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(121) / 评论(0) 分类 国家地理2008年

My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a

发表于:2018-12-30 / 阅读(79) / 评论(0) 分类 国家地理2007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(73) / 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(107) / 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(79) / 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(101) / 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(101) / 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(101) / 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(223) / 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(202) / 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(207) / 评论(0) 分类 趣味英语

About two hours into the meal, the new mom was looking uncomfortable, glancing repeatedly at her cell phone. 晚宴进行了差不多2个小时,这位新妈妈看上去很不自在,不停地翻看自己的手机。 As a mother herself, Amy was se

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 向前一步

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(113) / 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(160) / 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(99) / 评论(0) 分类 阅读空间
学英语单词
acrylonitrilestyrene resin
Advanced Communication Function
AER (anion exchange resin)
alkylarylsulfonic acid
ankasa
artificial rumen
axioms of equality
b.e.t.
baenids
Barnes bag
basiliscuss
blown you off
boating business
Carex reptabunda
centralized instrument panel
cfl criterion of stability
clarionist
close coating
computer structure
core magazine
dactylozooid
daily time card
deflection angle method
diphosgene poisoning
disfleshes
disk-flow condenser
drop something in someone's lap
dynamic loud speaker
eases up
efficiency price
Einem, Gottfried von
electoral processes
elevator screw split ring
emergency exit door
endoecism
eppis
express liner
eygres
family soil
Fenolftaleina(Phenolphthalein)
file transfer module
fine-grained fracture
fish elevater
flat distribution
flooring slab
Gomorrhean
grinding pattern
hausens
I-n-Tabakat
inverse bandwidth
IRTE
kalimagnesia
katleman
Kunitz unit
lashkar-e-toibas
late genes
ligamentum intertransversarium
liquid capacity
long-form bill of lading
luder
Macolytes
main-stage
mathematicized
metageria
microwave rf system
mortar injection
ordinal type identifier
otocici
patronal
person born out of wedlcok
platform base
preaortic lymph nodes
pyroxyline lacquer
pyruss
raw paddy
reexplores
reversed emulsion drilling fluid
Robledo del Mazo
ruelas
rust-colored
Salamat, Préfect.du
salted Chinese herring
second demographic transition
Siwalik Range/Hills
sound coffee
step execution
subjective gloss
tackers
talipes valguss
tetrachloro benzene
tornow
tospoviral
tristimulus coefficient
Trondheim
truck-type switchboard
turbidimetric analysis
user's manual
vacuum preservation
whole smear
wise to
zirconite (zircon)
zone of ailence