伦纳氏效果(减数分裂形成的四个大胞子在形成胚时的竞争)

[00:00.00]Unit 18 Annoying things [00:06.79]2 While you read A sticky problem [00:15.73]You can imagine the scene. [00:20.58]Youre walking down the street of an old English town. [00:25.65]You decide to sit on a bench to admire the fine buildings and

发表于:2018-12-04 / 阅读(161) / 评论(0) 分类 创新国际英语教程 学生用书 3

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(140) / 评论(0) 分类 VOA2003(下)-环境与健康

Elizabeth Taylor, 1932-2011: She Was Considered One of the Most Beautiful Women of Her Time BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today we tell about the film star Elizabeth Ta

发表于:2018-12-16 / 阅读(209) / 评论(0) 分类 2011年VOA慢速英语(四)月

ARI SHAPIRO, HOST: Taylor Sheridan has been making a name for himself as a screenwriter who tells stories set in the American West. His drug cartel movie Sicario took place on the U.S.-Mexico border. His Oscar-nominated police procedural Hell Or High

发表于:2018-12-17 / 阅读(104) / 评论(0) 分类 2017年NPR美国国家公共电台8月

Books and Arts; Book Review; 文艺;书评; Otters in the wild 野生水獭 Beguiling carnivores 欺骗性的肉食动物 A muse to poets, a mystery to scientists 诗人的灵感,科学家的谜团 Poets dig my style 诗人尽挖我的风采 Ot

发表于:2018-12-31 / 阅读(154) / 评论(0) 分类 经济学人文艺系列

00:06.79]2 While you read A sticky problem [00:15.73]You can imagine the scene. [00:20.58]Youre walking down the street of an old English town. [00:25.65]You decide to sit on a bench to admire the fine buildings and beautiful flowers [00:32.31]a litt

发表于:2019-01-10 / 阅读(289) / 评论(0) 分类 创新英语教程第三册

一首赞颂伟大母亲的歌。美妙的弦乐与回声配合,吉他伴着女声擦出温情的音符,为我们讲述了一个关于母爱的动人故事。 这是爱尔兰著名女歌手Sinead O'Connor (谢妮德-奥康娜) 的转型之作。在

发表于:2019-01-10 / 阅读(100) / 评论(0) 分类 英文特辑精选

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

发表于:2019-01-11 / 阅读(123) / 评论(0) 分类 VOA标准英语2009年(三月)

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Barbara Klein with PEOPLE IN AMERICA in VOA Special English. Today we tell about Senator Edward Kennedy. He served in the United States Senate from the state of Massachusetts for almost forty-seven year

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 VOA慢速英语2009年(九)月

FAITH LAPIDUS: And Im Faith Lapidus with PEOPLE IN AMERICA in VOA Special English. Today we tell about Dian Fossey. She studied the wild mountain gorillas of central Africa. Her work resulted in efforts to save these rare and endangered animals. (MUS

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 2011年VOA慢速英语(一)月

DOUG JOHNSON: And Im Doug Johnson with People in America in VOA Special English. Today we tell about a young woman named Virginia Patterson Hensley. No one but her family would remember that name. The world remembers her as Patsy Cline. SHIRLEY GRIFF

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 2011年VOA慢速英语(一)月

PEOPLE IN AMERICA - Johnny Cash, 1932-2003: 'The Man in Black' Recorded More Than One Thousand Songs During His Life VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Doug Johnson with the VOA Special English program PEOPLE IN AMERICA. Today we tell a

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2012年VOA慢速英语(九)月

PEOPLE IN AMERICA - Edward Kennedy, 1932-2009: The 'Liberal Lion' of the Senate STEVE EMBER: I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein with PEOPLE IN AMERICA in VOA Special English. Today we tell about Senator Edward Kennedy. He served in

发表于:2019-01-12 / 阅读(126) / 评论(0) 分类 2011年VOA慢速英语(十)月

Rethinking the Good Life A new report says the global economy that sprang from the industrial revolution may not be suitable for sustainable growth in the 21st Century. The Worldwatch Institute says environmental stress, economic volatility and growi

发表于:2019-01-13 / 阅读(105) / 评论(0) 分类 VOA标准英语2012年(四月)

Environmentalists Worried Over Increased Production of Autos With the new cars and light trucks added to the global fleet, the world is nearing a milestone - one billion vehicles on the roads. Most are petroleum-fueled internal combustion engines, wh

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2012年(十月)

Book Store in a Tiny Rural Town Enjoys Mega Success 一间坐落在农村小镇的书店获得巨大成功分享到: MOUNT CRAWFORD, VA A bookstore in the tiny town of Mount Crawford, Virginia is nothing fancy - no comfy chairs or coffee like you fin

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2016年(九月)

[00:00]P:And you'd be coming from... [00:02]J:Oxfordshire. [00:03]P:Whereabouts in Oxfordshire? [00:04]J:Darlington. [00:05]P:That rings a bell. Wasn't there a Lord Darlington? Some sort of Nazi, got us in the war, they said? [00:12]J:I'm

发表于:2019-01-14 / 阅读(130) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

英语作文 Recently, many beautiful, sender actresses have been posing for sexy pictures to earn money. It is an easy way to become famous. However, their beauty goes no deeper than their lovely skin. If we understand what real beauty is , we can enri

发表于:2019-02-03 / 阅读(98) / 评论(0) 分类 英语作文

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 英语每日一词

1932 stay on track 今天我们要学的词是 stay on track. To stay on track 是坚持,保持的意思。经济学家预计,The U.K. economic recovery will stay on track over the coming year. 英国的经济复苏明年会继续下去。对于想

发表于:2019-03-07 / 阅读(188) / 评论(0) 分类 英语单词荟萃
学英语单词
Abū al Mātamīr
allergic protein
Almachar
Amazon Cloud Drive
amorphous body
an organic material used as fertilizer
antisecretary
apparent force
astrosphaeriella lenticularis
balneum coenosum
barangay
bipotassic
Bistrica
carboxyl transferase
carryforwards
cold cathode discharge
combined echo-ranging echo-sounding
couba
Czernichów
dagc(delayed automatic gain )
dakhala
debug support system verb
debylite
diphenylamine reaction
dolma
Dorian mode
double ligature
dredging round
duplexing of functional unit
eschalot
extraction of glue
family Pelecanidae
fellow-passengers
foxtail grass
freeing for adoption
fulcurm edge
gas shift process
glandulae vesiculosa
group seasonality
guarished
horizontal bars
icate
inconvertibly
ingot structure
Lachaise, Gaston
lead-acids
life-prolonging
limited variation
line pulse clipper
lip erosion
low-texture steel
magger
magnetic unit
manometry of biliary tract
marketing station
Morina chlorantha
myelogenous
non-adiabatic reactor
often-overlooked
on range
pareis
pe teacher
phototherapic
pipet jar
priesnitz
program composition
public sector comparison
rack-and-pinion gear
radiosonde wind sounding
Rankine state of stress
registered contractor
revokement
rohypnol
roll mill
sample covariance coefficient
saveable
saws off
seal-weld
sensated
Shawnese
single embedded virus
spextinomyxin
split straws
suicide attack
swds
synapsis(moore 1895)
Taxus baccata
Tchaikovsky
test field
The dog wags its tail.
thermal baffle
tok
total ion detection
truthers
ulster-scots
unit n-cube
us lamb
usain
v(l) photometer head
vertically challenged
winding-up proceedings
your radio