[网络] 细胞周期特异的;细胞周期特异性;特定生命周期的细胞

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

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(114) / 评论(0) 分类 (科普英语)Earth and Sky

00:05.69]rainforest [00:07.47]n.热带雨林 [00:09.25]timber [00:10.78]n.1.木材 2.树林 [00:12.30]economic [00:13.92]a.经济(上)的 经济学的 [00:15.54]local [00:17.02]a.地方性的 当地的 2.局部的 [00:18.49]deforestation [00:20.17]n.开发森林 [00:21.84]conse

发表于:2018-12-11 / 阅读(111) / 评论(0) 分类 大学英语自学教程上

ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes

发表于:2018-12-18 / 阅读(86) / 评论(0) 分类 2017年NPR美国国家公共电台6月

borrow ['bɔrəu] v.借来,借用 crowded [kraudid] a.拥挤的,密集的 fast [fa:st] a.ad.快(速);a.牢,紧 headache ['hedeik] n.头痛(的事) laziness ['leizinis] n.懒J惰 necessary ['nesisəri] a.必需的,必要(然)的 problem [prɔ

发表于:2018-12-19 / 阅读(179) / 评论(0) 分类 1200个常用英语口语单词(MP3+文本)

Peter: So Sarah, tell me, you're teaching right now, could you give me your opinion on computer use in the classroom, like using it in your classes, what do you think about that? Sarah: I think it's good when there's certain activities that are relat

发表于:2018-12-29 / 阅读(49) / 评论(0) 分类 英语趣味课堂

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(122) / 评论(0) 分类 国家地理2008年

Finance and Economics;Man and machine; 财经;投资人与经济机器; The economic ideas of the world's most successful hedge-fund boss; 世界最成功的对冲基金经理的经济思想; The most beautiful deleveraging yet seen is how Ra

发表于:2018-12-31 / 阅读(104) / 评论(0) 分类 经济学人财经系列

心灵歌汤 cycles of time

发表于:2019-01-01 / 阅读(117) / 评论(0) 分类 心灵歌汤

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 (科普英语)Earth and Sky

This the VOA Special English Development Report. Picture a bicycle with a two-wheeled carriage in place of a back tire. India has millions of these cycle rickshaws. The operators are called pullers. They ride through the streets pulling passengers a

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 VOA慢速英语2009年(五)月

Why the 9 to 5 Office Worker Will Become a Thing of the Past The Natural Productivity Cycle In your personal life, when attending to business or working on side projects, how often do you spend 8 consecutive hours in front of a computer? It doesnt ma

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 阅读空间

The government said that work on the first seven cycle tracks which were promised earlier this year will start in the summer. This will cost $9 million. Another $41 million will be spent later. Together these cycle tracks will be called The Great Rid

发表于:2019-01-27 / 阅读(134) / 评论(0) 分类 新西兰英语

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(99) / 评论(0) 分类 粉红猪小妹第二季

After several years of low prices, the price of pork rose this year to a new historical peak. 经历了数年的价格低迷后,今年猪肉价格上涨,达到一个新的历史高峰。 Reviewing the fluctuating pork prices in China, there is an

发表于:2019-02-02 / 阅读(54) / 评论(0) 分类 英语新闻

有人曾经曰过:女生是一种生命力极其顽强的生物,每个月流血几天不止,却依然上得了厅堂,下得了厨房,斗得过小强,打得过流氓。那么,女孩纸们大姨妈来了,用英语怎么说? 1. My per

发表于:2019-02-04 / 阅读(99) / 评论(0) 分类 英语口语

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

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

Classical music fans in Beijing are now embracing a massive work-the complete cycle of Beethoven's 9 symphonies with The Deutsche Kammerphilharmonie Bremen. Paavo Jarvi, an internationally famous Estonian conductor, is the artistic director of the or

发表于:2019-02-14 / 阅读(160) / 评论(0) 分类 2017CRI中国国际广播电台

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
学英语单词
Abū Saida
acrostichal hairs
air sus
Alburg
alternating-current transformer
apterogaleruca uenoi
armenocide
azobilirubin
babysat
beavy chain disease
besit
Blavatsky, Helena Petrovna
blushlike
bodying
breechloaders
burrdrill
center in form
cercospora miscanthi
chapelain
Chuzelles
climatic testing
control rod scram worth
Crossgare
cutting dynamics
data sorting algorithm
Davis, Jefferson
digital position transducer
diphenylbutylpiperidines
dynamic noise reduction
eddy loss
Ellipsoidina
ending sign
Ferula syreitschikowii
feutres
fible-fable
finger height
fold-over noise
fuckedness
glabrousness
Gnetum gracilipes
granite-gneiss
high definition screen
hook-like structure
HTR with (a) gas turbine
ICOP
interrupt control register
Isonoe
joslin
kneelest
Kryptol stove
kvas
least squares criterion
lockbolts
locked rotor voltage
Matese, Monti del
megachallenge
mud blasting
multi-turn rotary actuator
music instrument
musicality
N.B.L.
narrow-end-up mould
nervivesicales superiores
neutral vowel
normal mercruous phosphate
normal sort program key ranging procedure
o attenuator
odria
orbitomete
ownwords
oxoglutaric acid
patchset
perimenopausal
plexus dentalis
pneumogastric
polyaffinity
radar vector on course
Schlosser's treatment
screw coupler
self-surrender
smallworlds
smart client
spleen malpighian corpuscle
splet
sproling
standard colour chart
strepsipteras
taiwanomyia ritozanensis
tariff act
Tayura
teacher centre
teleosaurs
tripropylborine
two stroke direct-coupled machine
U. S. D.
ulcerating sclerosis
unlevable
update components
upland coast
voltol process
walkway duct