碳酸甲乙酯

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(270) / 评论(0)

(科普英语)Earth and Sky

VOA慢速英语2014 科学家们寻找新的方法来对付蚊子

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(187) / 评论(0)

2014年VOA慢速英语(五)月

报告称吸烟或永久性损伤你的遗传物质

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(99) / 评论(0)

2016年VOA慢速英语(十)月

VOA双语新闻：3、美科学家研发新一代驱蚊剂

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(139) / 评论(0)

VOA双语新闻 2014年1月

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(156) / 评论(0)

Scientific American(六)月

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(153) / 评论(0)

Scientific American(三)月

趣味青春英语电台第52期:Make it snappy

Idiom: Make it snappy ( hurry up ) Hit the book: Acid Cave Cavern Carbonic Bubble Tunnel

发表于:2018-12-27 / 阅读(116) / 评论(0)

趣味青春英语

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(308) / 评论(0)

知性英语

专业术语—中草药成分英汉对照词汇M

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(155) / 评论(0)

医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(189) / 评论(0)

农业与发展

影视歌曲：I Could Have Danced All Night

2009-2010美国福克斯（FOX）电视台热播美剧《欢乐合唱团》（Glee）第一季第八集（S01E08）中，由Emma Pillsbury（杰玛梅斯/Jayma Mays饰）与心仪对象Will Schuester（马修莫里森/Matthew Morrison饰）跳舞时也

发表于:2019-01-10 / 阅读(149) / 评论(0)

英乐时空

Study: Loss of Ozone Slows

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(154) / 评论(0)

VOA2003（下）-环境与健康

白领英语晨读-011 To Attract Police　吸引警察

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(110) / 评论(0)

白领英语晨读

经济学人69:外因遗传与压力新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技外因遗传与压力新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(181) / 评论(0)

经济学人科技系列

经济学人390:欧洲高尔夫球王

Obituary;Seve Ballesteros; 讣告；塞弗巴耶斯特罗斯； Severiano Ballesteros, Europe's greatest golfer, died on May 7th, aged 54. 欧洲高尔夫名将Severiano Ballesteros，5月7日辞世，享年54岁。 As he struck the ball, Seve Balles

发表于:2019-01-30 / 阅读(129) / 评论(0)

经济学人综合

Yesterday's dinner

A guest in a posh (时髦的，华丽的）hotel breakfast room called over the head waiter one morning and said with a wonderful and cheerful smile, Good Morning, sir. What a wonderfulmorning! I'd like two boiled eggs, one of them so undercooked tha

发表于:2019-02-04 / 阅读(150) / 评论(0)

趣味英语

万物简史第227期:把铅撵出去(16)

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上，公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(135) / 评论(0)

万物简史

万物简史第225期:把铅撵出去(14)

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(153) / 评论(0)

万物简史

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(154) / 评论(0)

万物简史

TED演讲获奖青少年,科技在行动(1)

If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill

发表于:2019-02-21 / 阅读(170) / 评论(0)

TED演讲教育篇

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学英语单词

abnormal oxidation state

akaranas

alpha-glucans

analytic(al) projective geometry