单词：methyltransgerase
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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
2016年VOA慢速英语(十)月
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
Scientific American(六)月
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
Scientific American(三)月
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
初学者听力文摘精选
8Benjamin was the father of Bela his firstborn, Ashbel the second son, Aharah the third, 2Nohah the fourth and Rapha the fifth. 3The sons of Bela were: Addar, Gera, Abihud, 4Abishua, Naaman, Ahoah, 5Gera, Shephuphan and Huram. 6These were the descen
历代志
From VOA Learning English, this is the Health Lifestyle report. There may be something in your food that you cannot see and cannot taste. But it could be killing you. It is an artificial oil commonly called trans fat. Trans fat is a toxic chemical th
2018年VOA慢速英语(五)月
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
医务英语
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
农业与发展
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
VOA2003（下）-环境与健康
Despite falling 140 points before the market opened, because of disappointing corporate earnings, the Dow Jones Industrial Average closed more than half a percent higher on Tuesday. A Wall Street economist says the mixed signals reflect an exaggerate
VOA标准英语2010年(七)月
Chapter 18 - Pierre at Bazdevs house For the last two days, ever since leaving home, Pierre had been living in the empty house of his deceased benefactor, Bazdeev. This is how it happened. When he woke up on the morning after his return to Moscow and
有声英语文学名著
Chapter 27 - Pierre's plan to save Europe. Makar Alexeevich The absorption of the French by Moscow, radiating starwise as it did, only reached the quarter where Pierre was staying by the evening of the second of September. After the last two days spe
有声英语文学名著
Chapter 28 - The French officer Pierre, having decided that until he had carried out his design he would disclose neither his identity nor his knowledge of French, stood at the half-open door of the corridor, intending to conceal himself as soon as t
有声英语文学名著
Amnesty International says police in Papua New Guinea have burnt down homes and illegally evicted people living near a mine owned by the world's largest gold mining company. In a new report Amnesty International calls on the government to investigate
VOA标准英语2010年(二月)
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
经济学人科技系列
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
VOA常速英语2013年(十月)
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a
原版英语对话1000个
BEIJING, Nov. 4 (Xinhuanet) -- The amount of trans fat and other nutritional information will be marked on the labels of prepackaged food, according to the country's first national standard for food nutrition. The labeling will take effect on Jan 1,
英语新闻
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. 埃德里安娜：玛丽，我的电池快没电了。我很高兴你有电池，不过它们太凉了。 Mary: Well, I keep them in my frigerator along wit
实战口语情景对话
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a
英语访谈对话