单词：hydroxyphenylarsonate
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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
万物简史
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
Scientific American(三)月
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
初学者听力文摘精选
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
英语听力文摘 English Digest
Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol
医务英语
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
Scientific American(四)月
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
Scientific American(十一)月
A United Nations spokesman says at least 220 people are dead in the Democratic Republic of Congo after a fuel tanker overturned and exploded. Another 110 people were injured. The BBC's Tom Fessy reports from Kinshasa. The number of casualties may ris
2010年NPR美国国家公共电台7月
1. Authority investigators are looking for one or more arson suspects linked to several wildfires burning across central portion of the state. A witness told investigators someone in a car was spotted dropping something into an open field and fires
美联社新闻一分钟2008年(五)月
1. The White House is calling a decision by WikiLeaks to release hundreds of thousands of classified US diplomatic files reckless and dangerous. Government officials say the documents often contain incomplete information that could deeply impact US i
美联社新闻一分钟2010(十二月)
This is AP News Minute. A man is under arrest in New York City, accused of shooting and killing a Muslim imam and his friend outside a mosque. Oscar Morel faces 2 counts of second-degree murder plus weapons charges. A 7th death is now connected to th
美联社新闻一分钟2016(八)月
Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p
VOA标准英语2012年(三月)
MICHEL MARTIN, HOST: Now to a story that's like so many others you've heard, and yet it's like nothing you've heard. It started with an abandoned house on the Eastern Shore of Virginia that burned to the ground. Night after night during that November
2017年NPR美国国家公共电台7月
利用词根词缀进行记忆的方法就叫构词法。也可以把构词法看作是一种特殊的拆字法。构词法的关键是词根，如果词根是熟悉的或记住了，构词法是很有效的一种助记法；如果词根不熟或没有
雅思英语
TUNIS, Jan. 12 (Xinhua) -- Tunisian Interior Ministry announced curfew in Grand Tunis region starting from 8:00 p.m. (1900 GMT) Wednesday to 5:30 a.m. (0430 GMT) Thursday following unrest spread to the capital on Wednesday. The move came after violen
英语新闻
One day, the Buddha was strolling alone along the edge of a lotus pond in Paradise. The blooming lotus flowers in the pond were each pure white like jewels, and the place was filled with the indescribably wondrous fragrance continually emitted from e
阅读空间
中国敦促美国保护外交机构 BEIJING, Jan. 7 (Xinhua) -- China on Tuesday urged the United States to take measures to safeguard Chinese diplomatic and consular institutions, after police arrested a suspect for last week's arson attack against
英语新闻
In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾
英语新闻
It was dark by the time Thomas Black got home that night. He had lingered in the workshop, putting final details on cabinetry and tables. He had needed the time to be alone, and to digest Theo's words. He was disturbed by her account of the Whitcome
英语博客 A cup of English
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