单词：spermatogensis
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神经心理学家Kim Gorgens论述了如何更好地保护我们的大脑，免受脑震荡的风险，并且倡导让孩子戴上头盔。
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[00:00.00]Albert Einstein communist Alexander Bell professor [00:05.00]艾伯特爱因斯坦 n.adj.共产主义者(的)亚历山大贝尔 n.教授 [00:10.00]ruler scientific darkness shy [00:14.79]n.统治者 adj.科学的 n.黑暗 adj.害羞的 [00:
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RACHEL MARTIN, HOST: A wide-ranging study shows that sperm counts are plummeting throughout the Western world, and scientists don't know why. NPR health correspondent Rob Stein suggests some of the potential reasons. ROB STEIN, BYLINE: In Margaret At
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Hello to you, I'm Creshon Saunders at the CNN.com newsroom in Atlanta; here is a look at what's happening NOW IN THE NEWS. Severe storms ripped across Spain Saturday leaving down trees, darkness and destruction behind. The winds are also responsible
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Books and Arts;Amazon worldwide bestsellers 文艺；亚马逊全球畅销书 Peddling wisdom 营销智慧 Making money out of the crisis 在金融危机中赚钱 A marthian landing on Earth could learn a lot about the current state of the world mind
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TBBT101-2 生活大爆炸之精子银行（2） Leonard: Sheldon, this was your idea. A little extra money to get fractional T1 bandwidth in the apartment. Sheldon: I know, and I do yearn for faster downloads, but theres some poor woman is going to p
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in
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[00:45.58]1)Where Bruce like to go today? [00:51.54]He wishes he could go to the seaside today. [00:59.12]2)What are Bruce and Li Qun talking about? [01:06.85]They are talking about the sea,holidays,jobs and Li Qun's cousin. [01:15.68]Language points
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Guitarist Tom Principato has been a mainstay on the Washington, D.C. blues scene for more than 40 years. Tom's new CD was inspired by family, friends and collaborators who helped shape his life on and off the stage. Like many kids growing up in the 1
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SCOTT SIMON, HOST: Frank Gehry has designed world-renowned buildings, including the Disney Concert Hall in Los Angeles, the Guggenheim in Bilbao, Spain. Recently, the Getty in LA acquired a vast archive of Gehry's work that spans three decades of the
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英国科学家在男性避孕药研发上有了重大突破，未来男性有可能通过口服阻止精子游动的药丸来达到避孕效果。这可能改变千千万万伴侣的性生活。以后不仅女人可以吃避孕药，连男人都有避
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A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm
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1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车，
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Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they
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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
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First: According to magnitude I divide the whales into three primary BOOKS (subdivisible into CHAPTERS), and these shall comprehend them all, both small and large. 第一 我按照大小,把鲸分为主要的三篇(各篇再分为章),这就把它们不
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