卵巢梭形细胞肉瘤

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(232) / 评论(0) 分类 VOA2003(下)-环境与健康

第六章 女性生殖系统 Chapter 6 Female Reproductive System areola of breast 乳晕 abdominal orifce of uterine tube 输卵管腹腔口 anal region 肛区 ampulla of uterine tube 输卵管壶腹 anococcygeal ligament 肛尾韧带 areolar gland 乳晕腺 axillary process 腋

发表于:2018-12-05 / 阅读(208) / 评论(0) 分类 医学英语

A long time ago there was a king and queen who said every day, Ah, if only we had a child, but they never had one. And finally the queen had a little girl who was so pretty that the king could not contain his joy, and ordered a great feast. When it

发表于:2018-12-06 / 阅读(375) / 评论(0) 分类 英文故事剧

[00:04.24]Mommo, here's your-- What are you doing? 奶奶 给你 你在做什么? [00:06.08]Preventing alien abduction, that's what l'm doing. 我在准备应对被外星人拐骗 [00:11.16]Thank you. 谢谢 [00:16.56]Dang crabgrass. 该死的草 [00

发表于:2018-12-07 / 阅读(223) / 评论(0) 分类 听电影学英语-别惹蚂蚁

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(十二)月

The Great Tomato Debate 有名的西红柿辩论 In 1893, the U.S. Supreme Court heard a case that hinged on whether the tomato was a fruit or a vegetable. 1893年,美国最高法院有一场关于西红柿到底是水果还是蔬菜的案子。 De

发表于:2018-12-28 / 阅读(180) / 评论(0) 分类 初学者听力文摘精选

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(182) / 评论(0) 分类 国家地理2008年

For in nature it takes thirty years for two hundred eggs to reach maturity. 因为在自然状态下,要让两百个卵子成熟需要三十年之久。 But our business is to stabilize the population at this moment, here and now. 但我们现在的任

发表于:2019-01-01 / 阅读(124) / 评论(0) 分类 美丽新世界

One day a fox fell into a well, he could not scramble out again. The water was ont very deep, but the size of the well was move and recovered with slippery mass. So that every time the fox struggle up a few inches he slipped down again with the spla

发表于:2019-01-09 / 阅读(142) / 评论(0) 分类 白领英语晨读

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(166) / 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(138) / 评论(0) 分类 VOA标准英语2008年(五月)

SCOTT SIMON, HOST: Three-D printers are being used these days to make all kinds of things - jewelry, artwork, or even guns. Now, scientists have used a 3-D printer to create a functioning mouse ovary. Yes. NPR's Rob Stein explains. ROB STEIN, BYLINE:

发表于:2019-01-17 / 阅读(130) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Gene Stops Ovaries from Testifying A mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin reports Little girls are made of sugar and spice and,

发表于:2019-01-30 / 阅读(289) / 评论(0) 分类 60秒科学

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(163) / 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(155) / 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(308) / 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(266) / 评论(0) 分类 趣味英语

My plan is to make a fire using a method 我准备用一种自人类取火伊始 that's been around for as long as man has been making fire the hand drill. 就使用的取火方法 钻木取火 No matches, no flints, just two bits of wood. 不用火柴

发表于:2019-02-13 / 阅读(140) / 评论(0) 分类 荒野求生

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(218) / 评论(0) 分类 英语新闻

I've waited longing for today, Spindle, bobbin and spool away, In joy and bliss I'm off to play, Upon this high holiday. [Chorus:] And spindle, bobbin and spool away Oh joy that it's a holiday! The dirt upon the floor's unswept, The fireplace isn't c

发表于:2019-02-20 / 阅读(150) / 评论(0) 分类 美国乡村音乐
学英语单词
abbot of unreason
agilious
anode basket
apologeticness
automatic train stopping device
bicubic Bezier patch
Big Rock Candy Mountain
biographical method
bivalves
Blumea linearis
brass plated steel wire
channel noise
chordopexy
coal houses
Concho R.
conical bomb
consolidus
CPI-C
daphniphyllum angustifolium hutch.
dimensioners
distributing water pipe of cylinder block
Donald Robert Perry Marquis
downhand electrode
eevn
enlarged views
equalization filter
equery
facies angle
filchers
fill color
fixed drug eruption
fresh approach
graviplanation
gripping roll
half-white
Hamont
hot-wire ignition
incremental lines
IPAMIX
isostyracinepoxide
kertch
ladyfy
laser radiation
lasius
latitude by Polaris
laying of cables
long flashing light
low-ends
macrophage aggregation factor
magnale
megalithic masonry
Montalban, Ricardo
Montonero
moulting silkworm
murking
natural resins
Nelly
nine-irons
non-equilibrium stage model
Novomycetin
oilpaper
one way sequence valve
oneway package
outspeeds
past and clear
pennaco
perioral
polychasium
postarteriolar
postseismic
Primula blattariformis
pulse without the stomach qi
quinquevalent
remote device
rimmings
safety bulb pipet
serosaprophyte
silkinesses
sitagliptin
skin receptor
Sluter
spermatin(e)
splitting field of polynomial in an indeterminate
subscriber supervisory circuit
supervisor overlay
take a crack at
task's memory requirement
Tchingoli
temperature sensitive mutation
thermophone
toprump
TPGF
uh-hum
umbrella-back chair
underpeeps
untroubledly
vaginal ligation of fallopian tubes
war-driving
White Volta
wire wools
work abstract
youd