衰老卵巢

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(228) / 评论(0) 分类 医学英语

The conversation drifted smoothly and pleasantly along from weather to crops, from crops to literature, from literature to scandal, from scandal to religion; then took a random jump, and landed on the subject of burglar alarms. And now for the first

发表于:2018-12-06 / 阅读(284) / 评论(0) 分类 马克吐温最佳短篇小说

Now the weekly Special English program American Stories. Our story today is called the Line of Least Resistance ( 最省力的方法 ). It was written by Edith Wharton. Here is Larry West with the story. Mr. Mindon returned home for lunch. His wife Millice

发表于:2018-12-06 / 阅读(139) / 评论(0) 分类 弗兰肯斯坦.Frankenstein

Our story today is called The Gatewood Caper. It was written by Dashielll Hammett. Here is Harry Monroe with the story. Millionaire Harvey Gatewood had a desk as big as a bed in the middle of his office. He looked almost as big as his desk. Gatewood

发表于:2018-12-11 / 阅读(133) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story is called The Celebrated Jumping Frog of Calaveras County. It was written by Mark Twain. Here is Shep O'Neal with the story. A friend of mine in the East asked me to visit old Simon Wheele

发表于:2018-12-11 / 阅读(303) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Today's story is called The White Heron. It was written by Sarah Orne Jewett. Here is Kay Gallant with the story. The forest was full of shadows as a little girl hurried through it one summer evening

发表于:2018-12-11 / 阅读(148) / 评论(0) 分类 美国故事

Now the VOA Special English program American Stories. Our story is called The Animals Give Themselves from the book Cloud Walker by Joe Montour published by Forum Publishing. Mr. Montour is a native American from the Mohar nation. He has written sto

发表于:2018-12-11 / 阅读(133) / 评论(0) 分类 美国故事

Now the Special English program American Stories. And our story today is called ''Judge''. It was written by Walter D. Edmonds. Here is Harry Monroe with the final part of our story. When Charlie Hestle died, he left a wife and nine children. They l

发表于:2018-12-11 / 阅读(183) / 评论(0) 分类 美国故事

Now, a VOA Special English story for the New Year. It is called Bright Hill. Our storyteller is Shep O'Neal. A few days before Christmas, Chantal Yardley visited Jacob Samuels in the old people's home. Do you know they aim to blow it up? said Mr. Sa

发表于:2018-12-11 / 阅读(182) / 评论(0) 分类 美国故事

Now the Special English program American Stories. Our story today is called The White Circle. It was written by John Bill Coliton. Here's Shep O'Neal to tell you the story. As soon as I saw Anvol sitting in the apple tree, I knew we would fight, I a

发表于:2018-12-11 / 阅读(163) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story this week is Keesh. It was written by Jack London. Here is Shep O'Neal to tell you the story. Keesh lived at the edge of the Polar Sea. He had seen thirteen suns in the Eskimo way of keepin

发表于:2018-12-11 / 阅读(155) / 评论(0) 分类 美国故事

Our story today is called The Line of Least Resistance. It was written by It was written by Edith Wharton. Here is Larry West with the story. Mr. Mindon returned home for lunch. His wife Millicent was not at home. The servants did not know where she

发表于:2018-12-11 / 阅读(133) / 评论(0) 分类 美国故事

Today's story is adapted from the young adult novel Stepping on the Cracks by Mary Downing Hahn. This book won the Scott O'Dell Award for Historical Fiction. The story is about Margaret Bayger, an 11-year-old girl. She tells her about her life in a s

发表于:2018-12-11 / 阅读(196) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story today is Hard Rock Maple. It is about two people living in New England. They seem like the hard rock maple trees often found in that area, nothing can make them move. Today's story was writ

发表于:2018-12-11 / 阅读(137) / 评论(0) 分类 美国故事

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(148) / 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(193) / 评论(0) 分类 初学者听力文摘精选

(MUSIC) Our story today is called The Line of Least Resistance. It was written by Edith Wharton. Here is Larry West with the story. (MUSIC) Storyteller: Mister Mindon returned home for lunch. His wife Millicent was not at home. The servants did not k

发表于:2019-01-01 / 阅读(282) / 评论(0) 分类 美国故事

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(136) / 评论(0) 分类 美丽新世界

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(143) / 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(311) / 评论(0) 分类 60秒科学
学英语单词
American water spaniel
Apollinarians
apple flies
arbitral tribunal
arsanthridine
artificial breeding
attractile
autosite
away from prying eyes
babey
barycentres
blanketing jamming
brake down
bridge pipe
carbol-fuchsin paint
cardinal virtue
celestial being
chefle
chock-tooth
circuit path
classification of industry branches
Clematis ranunculoides
coherent beam
compensated scan
competitive exclusion principle (gause's principle)
conductive paint
consumer confidence
criterion of pessimism
danat
dilute solution viscosity(DSV)
Duncan Smith
easy to
ecstasy of joy
Ellis' ligament
eorubicin
essential problem
exchange-traded derivative
fault plateau
full-rates
gliocladium virens
Hitokabe
hoist a flag
hydrosensitive
hymning
identifying information
inconspicable
invm
IPTS-68
labial gland
left hand digit
Lewvan
maccoll
majority carrier
manufacturing expenses-in-process
mesh size
metalanguage
monitoring store
neurotoxic mycoplasmosis
neurotubule
nongravid
norm (c.i.p.w.)
nosle
octastyles
out-slander
outermost reflector
patch board programming
peredell topaz
perfect thread
persalane rock (c.i.p.w)
Petegem
photosedimentometer
pinball games
pinch-discharge
puccinia ferruginosa
ram jet engine
revivals
Richard Evelyn Byrd
ride alongs
salagane
separate-property regime
serges
sharenting
sialoma
Slovenians
spoliation
surveying terms
swamp meadow
synchronous orbit
São João da Pesqueira
ta shun chih wu
ternary logic difference
throughswings
torneys
transport time
tupac katari guerrilla armies
UHDTV
ultraminimalist
vomitoxin
wilchester
wild thymes
wooden sash
zeuzera leuconotum