单词：Tris(ethylenimino)-s-triazine
单词：Tris(ethylenimino)-s-triazine 相关文章
It's all been done beforeby Linda BaxterToday's amazing newspaper headline! First family of four to walk to the South Pole wearing Mickey Mouse ears and clown's shoes. No, not really. It isn't true. I invented it. But I wouldn't be surprised to see i
英文杂志-Magazine
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
2014年VOA慢速英语(五)月
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
VOA双语新闻 2014年1月
Disabilityby Chris WilsonNowadays in the west the able bodied are constantly reminded that disabled people have rights just like everyone else and they mustnt discriminate against them in any way. Public buildings have to have ramps and toilets big e
英文杂志-Magazine
Physical educationby Richard SidawaySchool days are supposed to be the best days of your life and part of that experience usually involves some strenuous physical activity. I asked some colleagues to give me their recollections of what happened to th
英文杂志-Magazine
Archaeologyby Paul MillardArchaeology, like many academic words, comes from Greek and means, more or less, the study of old things. So, it is really a part of the study of history. However, most historians use paper evidence, such as letters, documen
英文杂志-Magazine
Amelia Earhartby Linda BaxterAmelia Earhart was born in 1897, in Kansas, USA. Even as a child she didn't behave in a conventionally 'feminine' way. She climbed trees and hunted rats with her rifle - but she wasn't particularly interested in flying. S
英文杂志-Magazine
四环素类 美他环素 Methacycline 飞梭霉素, 甲烯土霉素, 甲烯环素 米诺环素 Minocycline 康尼, 二甲胺四环素, 美满霉素, 二甲胺四环素，Vectrin, Minomax, Minocin, Ul
医务英语
A: May I help you? B: I would like to return this book. A: May I do anything else for you? B: I would also like to check out this magazine. A: I cant let you do that. B: Why is that? A: Our policy doesnt allow anyone to check out the magazines. B: Wh
英语情景对话-图书馆
A: How may I help you? B: I want to return this video. A: Is that all you need? B: I also need to check this magazine out. A: Youre not allowed to do that. B: I dont understand. A: Its our policy. B: What can I check out? A: Only books or videos. B:
英语情景对话-图书馆
An industrial venture once celebrated as a symbol of reconciliation between the two Koreas may be endangered by a sharpening dispute between the two sides. North Korea is essentially tearing up the agreements that make the zone run. North Korea's of
VOA标准英语2009年(五月)
Promising Mosquito Repellent Announced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 6
VOA标准英语2014年(一月)
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
白领英语晨读
Jurors in Australia's biggest terrorism trial found six Muslim men guilty of being members of an extremist group that plotted to wage what prosecutors called violent jihad in the city of Melbourne. Four other men have been acquitted of related charg
VOA标准英语2008年（九月）
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
万物简史
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
万物简史
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
万物简史
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
TED演讲教育篇
模仿句子：Next to football here on the BBC. Liverpool have agreed a deal in principle to sign the Brazil and Hoffenheim forward Roberto Firmino. 翻译：BBC接下来播报足球新闻。利物浦最近从霍芬海姆签下了罗伯托菲尔米诺
英音模仿秀