单词：spermist
encasement in the male (see Encasement), in which the seminal thread,
or spermatozoid, was considered as the real animal germ, the head being
the true animal head and the tail the body.
单词：spermist 相关文章
EXPLORATIONS - Scientists Call for Quieter Ships to Protect Whales BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Our subject today is whales. We discuss a report on the effect of noise from
2011年VOA慢速英语(六)月
[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:
高中英语词汇
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
2017年NPR美国国家公共电台7月
[00:02.22]Its a Pilates machine. 那是普拉提机 [00:07.02]You dont make anything. 它不是用来制造的 [00:07.22]What do you make with it? 拿它来制造什么东西？ [00:09.66]Its for exercising. 是用来健身的 [00:10.30]Yeah, my wife
听电影学英语-朱诺
The One With the Jam -------------------------------------------------------------------------------- Written by: Wil Calhoun Transcribed by: Eric Aasen -----------------------------------------------
六人行—第1-5季
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
看美剧学英语
By Ndimyake Mwakalyelye Washington 27 March 2008 When talking about paintings and contemporary art, names such as Pablo Picasso, Georgia O'Keeffe, Vincent Van Gogh and others often come to mind. But, as we are about to show you, there is a whole body
VOA标准英语2008年（三月）
[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
高中英语人教版高二
Chinese Goods Top Christmas Wish List In Cameroon 中国商品在喀麦隆圣诞节愿望清单中成为抢手货 For many in predominantly Chrisian Cameroon, Christmas without new dresses, playthings and extraordinary food is unthinkable. Family bre
VOA标准英语2011年(十二月)
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
阅读空间
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
实用英语
By Carol Pearson Washington, DC 13 September 2006 watch Older Father report Studies show older mothers are more likely to have children with Down Syndrome and other abnormalities. Now new research suggests children of older fathers are also at risk
2006年VOA标准英语（九月）
A chemical that has been linked to cancer cell growth is being used by millions of Americans in toothpaste every day, it has emerged. 在成千上万的美国人每天使用的牙膏中，可能存在一种导致癌细胞增长的化学物质。 The
英语新闻
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，
阅读空间
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
英语新闻
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
英语新闻
[00:00.00]1 HEATHER:I used to rollerskte all the time. [00:28.29]I loved it when I was little.Did you ? [00:31.14]KEVIN:No.I went straight from my pram to a surfboard. [00:35.81]I used to live in the ocean.No wheels required. [00:40.25]2 HEATHER:Well
英语杂谈
Scientists say early experiments suggest it may one day be possible to make babies without using eggs. 科学家称，早期实验表明，将来某一天或许不需要卵子就能孕育出婴儿。 They have succeeded in creating healthy baby mice
阅读空间
近日，淘宝聚划算发起了一场名为聚精会神的团购活动，除了提供司法鉴定服务以外，还上线了7个城市的精子库，预约捐精的志愿者可获得3000至5000元不等的捐精补助。 请看《中国日报》的报
英文语法词汇
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
白鲸记