标签：sperm 相关文章
[00:12.89]The Decision [00:14.21]Dr. Sam said to me: [00:17.05]I don't know how to [00:18.48]say this, except to come [00:19.79]right out with it, Miriam. [00:21.21]The tests we did last week [00:22.96]show that there are abnormalities [00:24.28]with
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[00:44.12]ANNA: When l was a kid, my mother told me... 当我还是个小孩子时，我妈妈告诉我 [00:47.20]...that l was a little piece of blue sky... 我是苍天的一小块 [00:49.48]...that came into this world because she and dad loved me
听电影学英语-姐姐的守护者
A 34-year-old married man who died recently had no children. When he died, his wife was not pregnant, either. But now that he's dead, he has a chance of becoming a father. How's that possible? After a
赖世雄中级美国英语
Hello and Welcome to News and Reports on China Radio International. In This EditionEgypt's Muslim Brotherhood claims lead in presidential polls. The latest round of talks between Iran and P5+1 wrap up without any major headway being made. China looks
2012CRI中国国际广播电台
BBC News with David Austin. Countries, rich and poor have been lambasting the decision by President Trump to pull the United States out of the global agreement on combating climate change. The group of the worlds 48 least developed countries says the
中英双语新闻
This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.
Scientific American(五)月
To a female orb web spider, a suitable male can look like a mate and meal. For these spiders, the dating game has turned into a deadly dance of evolutionary one. the female spiders can choose when to cut off their relations by eating her partner or k
Scientific American(一)月
Eventually Joanne relented, with the stipulation that the couple promisindeed sign a pledgeto fund a savings account to pay for the boy's college education. 最终，乔安妮放宽了要求：乔布斯夫妇必须承诺----在一份保证书上签字
乔布斯传
Happily ever after only exist in fairy tales. Yet, a talking teddy bear is about to marry his girlfriend. I now pronounce you teddy bear and wife. You may kiss the bear. Proving that Americans ________1________. So I got some big news. Tami-Lynn and
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The sperm whales now deploy their most deadly weapon, T-Rex sized teeth. 抹香鲸们现在开始动用其最致命的武器，霸王龙级别的牙齿。 Individually, these whales are only a bother to something as large as Megalodon. 单打独斗，这
侏罗纪搏击俱乐部
Incredibly, whales are closely related to hoofed animals, in particular, the pig and the hippo. 很难相信，鲸类跟有蹄类动物的关系非常接近，特别是，猪和河马。 55 million years, the actual evolutionary origins of whales and
侏罗纪搏击俱乐部
OK, we are back in the world of the Cyanea octopus. It's mating time. Here's your potential conquest. She doesn't know you're alive. She's too busy cleaning trash from her house. Now you are the perceptive type. You use your sensitive disks for any s
国家地理2007年
Egg Cells 卵细胞 Do you know what an egg cell is? 你知道什么是卵细胞吗？ An egg cell is necessary for reproduction. 卵细胞是繁殖的必要条件。 Animals have egg cells. 动物有卵细胞。 Then does every animal have egg cells
与美国小学生一起学英文第10册
BOOK II. (Octavo), CHAPTER II. (Black Fish).--I give the popular fishermen's names for all these fish, for generally they are the best. 第二篇(八开型) 第二章(黑鲸)...我给这种鲸用了一个捕鱼者所通称的名称,因为一般说来
白鲸记
How then? The baleen, hump, back-fin, and teeth; these are things whose peculiarities are indiscriminately dispersed among all sorts of whales, without any regard to what may be the nature of their structure in other and more essential particulars. 那
白鲸记
Now, of course, this canal is filled with much the same strangely fibrous substancethe spinal cordas the brain; 这根脊管自然也跟头脑一样，有着极其相似的奇特的纤维质脊柱纤维质； and directly communicates with the brain.
白鲸记
It is a German conceit, that the vertebrae are absolutely undeveloped skulls. 据说德国人就狂妄地认为，脊骨绝对是发育不足的脑壳。 But the curious external resemblance, I take it the Germans were not the first men to perceive. 但
白鲸记
It is moreover declared in his pyramidical silence. 而且是表现在它那种莫测高深的缄默上。 And this reminds me that had the great Sperm Whale been known to the young Orient World, he would have been deified by their child-magian thoug
白鲸记
but in superlative richness that coating could not possibly have compared with the silken pearl-colored membrane, 不过，就最为豪贵方面说来，那层衣包，却不是那种白珠色的网膜， like the lining of a fine pelisse, forming th
白鲸记
Chapter 74 The Sperm Whale's HeadContrasted View 第七十四章 抹香鲸头对比图第七十四章抹香鲸头对比图 Here, now, are two great whales, laying their heads together; let us join them, and lay together our own. 现在，这儿有两条
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