甲基吡咯林,二氢吡咯

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

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(151) / 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

英文书摘精选 Why Humans (Not Chimps) Get Cancer为何人类而不是黑猩猩会得癌症?

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(118) / 评论(0)

初学者听力文摘精选

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(166) / 评论(0)

国家地理2008年

60秒科学:黑烘焙咖啡可以让胃部更舒服

Stomach Cells Happier with Dark Roast Coffee 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 research presented

发表于:2019-01-02 / 阅读(171) / 评论(0)

60秒科学

Agroecology, Part 2

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

发表于:2019-01-02 / 阅读(190) / 评论(0)

VOA2003（下）-农业与经济

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

Agroecology, Part 1

By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu

发表于:2019-01-04 / 阅读(165) / 评论(0)

VOA2003（下）-农业与经济

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

2006年VOA标准英语-Olmert Tours Front-Line Areas, Consults With No

By Jim Teeple Jerusalem 07 August 2006 Lebanese civil defense rescuers carry body of a victim in Ghaziyeh, August 7, 2006 Israeli warplanes struck the cities of Beirut and Tyre, as well as small villages along the Israel-Lebanon border on Monday. At

发表于:2019-01-09 / 阅读(196) / 评论(0)

2006年VOA标准英语（八月）

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

ESL Podcast 628 – Introducing a New Product

Augie: Todays the day. Im giving you the heads up . Our company is rolling out its new line of cell phones. Lillian: I can see youre excited about it. Whats so special about the new products? Augie: This line of phones has state-of- the-art technolog

发表于:2019-01-11 / 阅读(134) / 评论(0)

地道美语播客

2007年VOA标准英语-Philippine Marines on Front Line in War on Terr

By Douglas Bakshian Jolo 20 February 2007 A special operations platoon of the Philippine Marine Battalion Landing Team conduct a military exercise in Jolo, 05 Feb 2007 The Philippines has recently been on the front line in the war on terror, taking o

发表于:2019-01-12 / 阅读(151) / 评论(0)

2007年VOA标准英语（二月）

英语听力：自然百科 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(178) / 评论(0)

自然百科2008年

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(177) / 评论(0)

经济学人科技系列

VOA标准英语2013--生物钟提供衰老的线索

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(164) / 评论(0)

VOA常速英语2013年(十月)

ESL Podcast 332 – Profit and Loss

Dolores: Manuel in accounting is supposed to help me with this report, but he called in sick today! I cant believe my luck. Hes supposed to be training me in and hes left me holding the bag. Anton: Let me see if I can help. Dolores: Im supposed to us

发表于:2019-02-03 / 阅读(110) / 评论(0)

地道美语播客

每日一词【722】robocall

今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号，播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen

发表于:2019-02-04 / 阅读(193) / 评论(0)

英语每日一词

英文摇滚歌曲：Siva Six - Line in Line Down

Line In.... Line Down Line in... line down... line in* Line in... line down... line in... line down Line in... line down... line in... line down Line in and save me Myself can drug me down Line in, forever blissful Continue to line down Line in... li

发表于:2019-02-26 / 阅读(176) / 评论(0)

英文摇滚歌曲

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acute osteomyelitis of jaw

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advertising management

attachment of policies