单词：spermosphere
division of a male germinal cell (spermospore), each constituent cell
(spermoblast) of which is converted into a spermatozoid; a
spermatogemma.
单词：spermosphere 相关文章
词条 含义 近义 solo n. 独奏曲 adj. 单独的 unaccompanied , single soloist n. 独奏者，独唱者 soluble adj. 可溶的，可溶解的 dissolvabel, meltable solution n. 解答，解决 n.
王玉梅托福词汇配套MP3
Working Towards An Electronic World 建立电子化世界 For many years now, HP has been working towards a world of pervasive information technologies that will characterize the 21 st century. 多年年来，惠普公司一直在位建立一个信息技
历史英雄名人演讲
Scientists and designers in London have found a possible solution to the problem of plastic bottle waste. 英国伦敦的科学家和设计师发现一个可以解决塑料瓶垃圾问题的方法。 The group at Skipping Rocks Lab has made a water b
2017年VOA慢速英语(五)月
Chinas enrollment figures in private English as a Second Language (ESL) courses and related test preparation programs continue their longstanding high growth rates. 长期以来，中国报名参加英语学习及相关考前培训的人数持续高速
英语阅读理解
Without a care we stand fast, before an endless sea. Impervious to any storm blowing our way. Without fear we glance into spiteful eyes, as we walk determined, dressed to the nines. Carelessly we let them sling their pebbles at our feet. Continuously
英文摇滚歌曲
Feel free to try just know, that I will kill you Your mouth untrue, unravelling with rancid filth As charming as a snake you'll be put to sleep With a blast from here and to oblivion No more self proclaimed and sacred shit I will tear these lies apar
英文摇滚歌曲
Let's go I am the nemesis of sense and moderation I will annihilate, twist and break and devastate Show me your enemy and I will bring him to his knees Footprints of death I will leave in wake I am pain, I am darkness, I am strife I am the constant e
英文摇滚歌曲
天文学 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限的 co
托福英语
对于备考新TOFEL考生来说，首先最大的挑战和最大的难点就是单词很难记，而且容易忘，由于记不住单词而英语学习效率非常低，学英语时间拖的就比较长，所以，学习一长就没有兴趣了；一准
实用英语
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
What is at the center of the universe? 宇宙的中心是什么？ It's an essential question that humans have been wondering about for centuries. 这是个很重要的问题，几百年来，人们一直在探索。 But the journey toward an answer
TED演讲教育篇
1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限
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So, think of the three settings I've talked to you about: 那么想想这3个我所谈到的背景： factory, migration, office. 工厂，移民，办公室。 But it could be in a school, it could be an administration, 但这也可能在学校，在政
TED演讲科学篇
From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are
英语语言学习
A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. 本周日，中国的一家生物技术公司宣布，它已经研
英语新闻
Samoa is moving the International Date Line and will become the first country in the world to receive the sun instead of the last one. When you cross the International Date Line going east, you go back one day. When you cross going west, you add anot
新西兰英语
I feel your presence Into my soul I want revenge - and drink his blood You are my only - hope in this night Take my dead heart Help me to bring its to life Erase my pain, erase all my pain I cannot cry for my love everyday You are the way, you are th
英文摇滚歌曲