母细胞

maternal cell的用法和样例:

例句

  1. A sperm cell develops from a sperm mother cell.精细胞从精母细胞发育而成。
  2. The megaspore mother cell meiosis to form a linear megaspore tetrad.大孢子母细胞减数分裂产生直线形大孢子四分体。

By Jill Moss Broadcast: October 27, 2003 This is Doug Johnson with the VOA Special English Development Report. A study finds that one out of sixteen women in Africa will die during 1)pregnancy or 2)ch

发表于:2018-12-01 / 阅读(252) / 评论(0) 分类 VOA2003(下)-发展与科学

DEVELOPMENT REPORT – December 2, 2002: Afghanistan and Maternal Deaths By Jill Moss This is the VOA Special English Development Report. Afghanistan has one of the highest death rates in the world am

发表于:2019-01-02 / 阅读(118) / 评论(0) 分类 农业与发展

As a new father, I quickly learned the true meaning of maternal instinct. Late one night, I was summoned to the hospital to attend to one of my patients. I quietly got up in the dark but tripped over

发表于:2019-01-03 / 阅读(245) / 评论(0) 分类 英汉幽默故事选读

By Lisa Schlein Geneva 03 May 2006 The World Health Organization has unveiled a new approach for tackling the huge problem of maternal and child mortality. Each year, WHO estimates more than half a mi

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 2006年VOA标准英语(五月)

Experts blame the lack of progress in maternal and child health on a severe shortage of doctors, nurses and midwives in the affected countries. Many countries with the highest mother and child death rates continue to fall short, a decade after pledgi

发表于:2019-01-11 / 阅读(129) / 评论(0) 分类 VOA标准英语2010年(六)月

DEVELOPMENT REPORT – July 22, 2002: Maternal Deaths Study By Jill Moss This is Bill White with the VOA Special English Development Report. Each year, more than five-hundred-thousand women in develop

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 农业与发展

By Tendai Maphosa London 18 October 2007 A three-day conference on ways to reduce preventable deaths of newborns and women during pregnancy has opened in London. Tendai Maphosa has more for VOA from London. The Women Deliver Conference has attracted

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 2007年VOA常速英语(十月)

By Anjana Pasricha New Delhi 03 December 2007 A U.N. representative says more women in India die during pregnancy or childbirth than in any other country in the world. The U.N. official says India must improve its public health system to cut the rate

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Tendai Maphosa London 20 October 2007 The three-day Women Deliver conference, which focused on maternal and infant mortality, ended Saturday in London. As Tendai Maphosa reports, the organizers and delegates hope it will give new momentum to effor

发表于:2019-01-11 / 阅读(136) / 评论(0) 分类 2007年VOA常速英语(十月)

Maternal Health Poses Another Major Challenge for Somalia Two decades of civil war in Somalia have made the country one of the most dangerous places in the world for a woman to give birth. The World Health Organization says Somalia has one of the hig

发表于:2019-01-13 / 阅读(127) / 评论(0) 分类 VOA标准英语2012年(一月)

By Fid Thompson Dakar 22 September 2009 The human rights group Amnesty International says the maternal health situation in Sierra Leone amounts to a human rights abuse. The small West African nation has one of the highest maternal mortality rates in

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2009年(九月)

Worldwide, giving birth is far less dangerous than it was even two decades ago. A new report shows that maternal mortality, however, remains a serious threat - even in wealthy, industrialized nations. A report released by New York City's health depar

发表于:2019-01-13 / 阅读(210) / 评论(0) 分类 VOA标准英语2010年(六)月

Despite data showing sharp declines in maternal mortality, half a million women still die every year in childbirth. In addition, three and a half million newborns die within the first 30 days of life. There's an effort to save these lives with proven

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2010年(五)月

Joe DeCapua 27 April 2010 Sub-Saharan Africas maternal and child mortality rate remains high despite an overall worldwide reduction, according to The Lancet medical journal. About 350,000 women die annually from child-birth related accidents. As a re

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2010年(四)月

Senegal Tests Controversial Maternal Health Drug A controversial drug that can save women from bleeding to death after delivery has shown promising results in trials conducted in Senegal. Everyday, according to the World Health Organization (WHO), an

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2011年(四月)

The report issued by the WHO shows birth-related mortality declined by 34 percent during the past decade - from about 546,000 deaths in 1990 to an estimated 358,000 deaths in 2008. That is an annual rate of decline of about 2.3 percent. Although the

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2010年(九)月

By Daniel Schearf Bangkok 16 September 2009 The United Nations says maternal and child mortality rates in the Asia-Pacific region are not improving fast enough because of poor access to reproductive health care. U.N. officials say more resources are

发表于:2019-01-31 / 阅读(145) / 评论(0) 分类 VOA标准英语2009年(九月)

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(268) / 评论(0) 分类 趣味英语

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

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(105) / 评论(0) 分类 英语听力精选进阶版
学英语单词
actuarial department
age-grouping
albuminous, albuminose
Archaeornithes
arsenomolybdate method
balance due to
be absent
bird's-eye
biscybernetic
boatsail drill
bream b. (whangarei b.)
Brillouin, Marcel-Louis
canonizations
carhenge
chalut
cholagoga
clear goods
conglomeratelike
conservative force
cost budget line
cotyledonous
cross har.
cryotrapping
decimal base
decode machine
discofied
disillusionising
dissuades
divinable
dracunculiasis
dual direct product decomposition
dummy array element
educational simulation edusim
El Guanacaste
enterprise management of paints industry
equestriennes
equipment optimization
ethyl pyromucate
first states
gather head
gear backlask
Gordon's splint
grey partridge
gyro-pilot steering
Harbours, B.of
Hieracium coreanum
hierarchical laboratory automation system
hundred-odd
Hyades Group
immature cell
inference procedure
insulation breakdown
interexaminer
intermediate control data
joints shoulder
latcham
lesbianism
local clock
longin'
middle experiment
moderate spirality sector
mountain crystal (rock crystal)
MSIC (medium-scale integrated circuit)
much too busy
music-theatre
Nettleham
non-protein-coding
normal top water level
Petrobia
pixel tag
plate pork
Pomarangina
porselane
primary transformer
Samburu Hills
sandwich bars
santalums
Sarpinskiy Rayon
seif
self-structuring system
socioeconomic planning science
stereo reproducer
stramashes
succulent chamaephyte
suck the blood of
syphilonychia exulcerans
taylorcraft
thermoluminescence dating
tiantan
trestle table
unattributively
unionmelt process
unitary bundle
unpaired relocatable term
Veronicastrum stenostachyum
veterinary microbiology
vindolicine
virtual genus
walter stanborough sutton
water-cooling jacket
wootten
worm like larva