单词:methylcholantrene
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1. I'm John. I'm Jackie. (Use first name in informal situations) 2. I'm John Kennedy. I'm Jackie O'Neill. (Use full name in business and formal situations) 3. (It's) nice to meet you. (It's) nice meeting you. (It's) good to meet you. 4. Nice to meet
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
Paul, this is John. John, this is Paul. 1. Have you met Paul? No, I haven't. Paul, this is John. John, this is Paul. 2. Have you two met each other? Have you two met each other? No, we haven't. Anne, this is Marie. Marie, Anne. Have you two met each
NOEL KING, HOST: Congregants of a church in Oakland, Calif., say they feel like too many people are too quick to call the police when they feel threatened by people of color. So now they're taking what they consider to be a moral stand - to not call
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
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
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
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
The American television series Seinfeld was famous for its unusual and often strange conversations. These conversations often took place in a diner - a kind of small, informal restaurant. In one program, the character George is sad about where he is
Mary Morningstar Cross Canadian Ragweed formed in 1994, and spent the next eight years building a regional fan base in the southwestern U.S. The Oklahoma-based band released four albums on its own lab
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
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
A: Would you like to order now? B: This all looks good! I think we know what we want. A: Please let me point out the chef's special, which is blackened catfish. B: I am dieting, so could the chef prepare the food with no extra sauce? A: We are always
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
Russian nationalists in Crimea have burned Ukrainian history textbooks to protest what they say are distortions of the past by the administration of former President Viktor Yushchenko. The recent transfer of power in Kyiv has raised hope among Russia
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
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
今天我们要学的词是intrusive。Intrusive, 有侵犯的意思。美国机场加强安检,包括全身扫描和拍摸式搜身,引起很多乘客不满。不过,美国运输安全管理局负责人说, New rules requiring 'intrusive' pa
'Cause god makes no mistakes I'm on the right track baby I was born this way Don't hide yourself in regret Just love yourself and you're set I'm on the right track baby I was born this way Post-chorus: Ooo there ain't no other way Baby I was born thi
A wet Sunday in a country inn! Whoever has had the luck to experience one can alone judge of my situation. The rain pattered against the casements; the bells tolled for church with a melancholy sound. I went to the windows in quest of something to am