单词：male sterility gene
单词：male sterility gene 相关文章
El condor pasa Simon Lyrics : Paul Simon - Jorge Milchberg - Daniel A. Robles I'd rather be a sparrow than a snail Yes I would, if I could, I surely would I'd rather be a hammer than a nail Yes I woul
赖世雄教你学唱歌
austerity, n 节俭（严格节约，经济紧缩）；简朴；艰苦 【例】wartime austerity 战时节俭 【记】au读：诶哟，sterity＝sterility（n 不毛之地）－需要节俭 【反】ostentation（n 卖弄，摆阔）
不择手段背单词
Broadcast: Feb 12,2003 More than 111,000 military reservists around the United States have been plucked out of their civilian lives and called-up to active duty, in support of the U.S. military's 2）
VOA2003（上）-文艺之窗
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. On our program this week, we will tell about a possible way to control the disease malaria. Researchers have reported a decrease in th
VOA慢速英语2007年（五）月
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
Scientific American(十二)月
By Ernest Leong Washington 09 October 2007 Down these mean streets a man must go who is not himself mean. That is how U.S. mystery writer Raymond Chandler once described the American detective. He took it for granted the investigator was a man. But m
2007年VOA常速英语（十月）
This is Scientific American's 60-second Science. I'm Cynthia Graber. This will just take a minute. Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quali
Scientific American(六)月
The food industry leads the nation in pounds of waste produced annually. So, whats second? Its health care facilities. They dispose of more than four billion pounds of waste each year. Another shocker? A lot of that waste is perfectly functional. In
Scientific American(三)月
It's raining again又是一个下雨天 Tell me something I don't know告诉我我不知道的事 This place can make you dizzy这个地方能让你晕头转向 Sweet dream didn't show美梦不会出现 Walked across the finish line走过终点线 Wo
听歌学英语
16 Million Teenage Girls Get Pregnant Every Year 每年有1600万少女怀孕 Thursday, July 11, is World Population Day and the focus this year is on adolescent pregnancy. Its estimated that 16 million teenage girls give birth every year. Many are i
VOA标准英语2013年(七月)
这是一位自闭症患儿的妈妈写的关于爱和感动的故事： Relax. He is the same little boy you loved yesterday. I smiled trying to hold back the tears. No he isnt. Yesterday I dreamed he would be an astronaut. Today I am hoping he will
英语美文
Conserving wildlife is a struggle all governments face, but nowhere more sole than in China, where the worlds last female rafetus turtle (斑鳖)is about to be introduced to her new home. 600 miles and 17 hours into the journey, the team arrives at t
自然百科2009年
The Royal Plague Its good to be king, as the saying goes. But sometimes having a royal lineage isnt so great. Take the male descendants of Queen Victoria, who was the reigning monarch of the United Kingdom during most of the 19th century. Victorias s
英语时差8，16
Guys, heres another reason to eat your veggies: they might be good for your sperm. Some studies show that male fertility and whats called seminal quality have declined over the last few decades. So researchers from two fertility clinics in Spain loo
60秒科学
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,
60秒科学
Doctor: Casual sex harmful to students Casual sex among middle school students may be contributing to growing sterility problems among young women in Guangzhou, capital of South China's Guangdong Prov
趣味英语
Facebook and Apple are offering women employees the chance to put their dreams of motherhood on ice by paying for them to freeze their eggs. The extraordinary perk is aimed at boosting the number of women staff by allowing them to focus on their care
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Mitochondria and male lifespan 粒腺体影响男性寿命 Power down 粒腺体阻断 Women outlive men. An evolutionary curiosity may explain this 女性比男性寿命长久。欲知为何，请看进化学分解 Mankiller? 男性健康杀手？ WH
经济学人科技系列
Controversial Chinese philanthropist Chen Guangbiao admitted he cheated in the ALS Ice Bucket Challenge, Sanxiang Metropolis Daily reported on Thursday. 据国内媒体报道，中国最受争议的慈善家陈光标日前承认，他在之前的关注
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Fatherless Honeybee s How male honeybee s can be without fathers? The reason lies in whats called a haploidiploid system of sex determination. Approximate ly one-fifth of the animal kingdom, including ants and wasp s , use this system. What it boils
英语听力文摘 English Digest