单词：ethylmethiambutene
单词：ethylmethiambutene 相关文章
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
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
By Nico Colombant Bamako, Mali 04 April 2006 Against a backdrop of financial difficulties and suspect security in Africa's aviation industry, one of the world's poorest countries, Mali, has a new airl
2006年VOA标准英语（四月）
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
Finance and Economics 财经 Credit Suisse: Thiam's tweak 瑞士银行：谭天忠的微调 Another change of plan at Switzerland's second biggest bank. 瑞士第二大银行做出了另一改变。 Europe's most troubled big banks may at last be on
经济学人财经系列
He now intends to bring in SFr4bn through a rights issue. (Share sales in 2015 raised SFr6bn.) 他现在打算通过供股来注入四十亿瑞郎。（2015年的股权交易筹集了六十亿瑞郎。） Shareholders had never been keen on the flota
经济学人财经系列