单词:tetraphenylplumbane
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151 There is a kite in the sky. 152 It's like a bird. 153 It's very high. 154 Is there a football under the chair? 155 Yes there is. 156 There are some footballs under David's chair. 157 There is a piece of bread. 158 There is some water. 159 Are the
FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. Today we enter a world of Christmas magic, snowflakes, sweets and sugarplum fairies. The Nutcracker is one of the most popular ballets in the world. It is also an important
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
bane, [bein] n 祸根(死亡或毁灭的根源);致命伤 【例】the bane of one's existence 克星 【记】1)ban挡住-挡住运气-祸根 2)读:背。点儿背-祸根 【反】blessing(n 祝福);benefit(n 利益好处)
avarice n 贪财=cupidity=rapacity 【根】avar渴求。avid(adj 渴望的) 【记】ava读:爱挖,rice大米。爱挖大米。这种人是不是有周八皮的风范!连大米都不放过,太贪财了! 【类】avarice:money=glu
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
歌词如下: Sweet plum blossoms fine and whate. Did you open in the night? Yestoday the tree was bare. Now it's covered everywhere! One and two and three and four. I can't count how many more!
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
本文写到四种常见的水果,你可能也很爱吃。你对它们的了解足够多吗?快来多了解一些它们在英语中的内涵吧! 1. grape 葡萄 仲夏及初秋大量上市的水果,品种众多。含多种糖类,维生素等营养
DEVELOPMENT REPORT - Plumpy'nut Aids Fight Against Hunger By Jill Moss Broadcast: Monday, April 25, 2005 I'm Gwen Outen with the VOA Special English Development Report. Nutriset is a food company in F
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
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
南非政府正在紧锣密鼓的准备曼德拉的葬礼 JOHANNESBURG, Dec. 7 (Xinhua) -- The South African government announced on Saturday that preparations are in full swing for the funeral of former president Nelson Mandela. Among the arrangemen
1.Yes. 好的。 2.Id rather be with you 我更愿意跟你待在一起 3.Are you free Saturday night? 周六晚上有空吗? 4.Theres something you do that I find adorable. 我发现有时你很可爱。 5.That looks good on you. 你看上去帅呆了
传统意义上的古曲是指中国古代流传下来的,有较高知名度的乐曲。这些古曲大多属于器乐曲,而且大都出于诗人之手创作而成。在中华5000多年的文化长河中,古曲(古诗词歌曲)是中华民族的