单词：xenofree
(biology) Without the use of material taken from other organisms.
单词：xenofree 相关文章
By William Eagle Washington,DC 29 December 2006 In Somalia, which has not had an effective central government in 16 years, the UN says an estimated 1.4 million people need emergency humanitarian relief. Of those, 400,000 are those whove been interna
2006年VOA标准英语（十二月）
Exercise is something most of us love to hate. A lot of us avoid it altogether. I do a lot of exercise, but not because I like it. I do it because it helps me stay slim and healthy. I always feel great after exercising, so there are good parts to it.
纯正英语一分钟
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单词解析速记
Unit 3 Dull Axe 第3单元 钝了的斧子 Jon likes his job and he used to be quite good at it. In fact, ten years ago when he began working at TT, he was considered one of the best in the company. However, over the past few years Jon'sperformance a
英语小达人
This title is the kind that gets attention, isn't it? I first heard about these two characters a few days ago. My three boys play an on-line game called Minecraft. It's actually quite fabulous. It is an unending arena, where you can discover and crea
英语博客 A cup of English
Grammar Girl here. Today's topic is the word xeriscape. This is kind of a self-indulgent podcast for me. I've been house hunting lately, and I swear if one more real estate agent tells me about a property's wonderful zeroscape, I'm going to rent for
英语语法 Grammar Girl
图片1 Photo courtesy of Laura Herman, Tampa, Florida Grammar Girl here. Today's topic is the word xeriscape. This is kind of a self-indulgent podcast for me. I've been house hunting lately, and I swear if one more real estate agent tells me about a
英语语法 Grammar Girl
By Peter Fedynsky Washington, DC 05 January 2007 Fedynsky report In English, a golden parachute is a term that describes very generous compensation paid to a corporate executive who is retiring or being removed for poor performance. This kind of par
2007年VOA标准英语（一月）
By Margaret Besheer Irbil 03 January 2007 An Iraqi official says the person believed to have recorded an unofficial video of Saddam Hussein's execution on a camera phone has been arrested and is being questioned. The video, which shows witnesses tau
2007年VOA标准英语（一月）
By Ana Ward Washington, D.C. 26 February 2007 watch Exercise report Many Americans are facing serious health issues associated with unhealthy eating habits and a lack of exercise. With growing health concerns, more people are joining gyms for exerci
2007年VOA标准英语（二月）
By Melinda Smith Washington, D.C. 28 November 2006 watch Polonium report A handout image released November 20 2006, shows Alexander Litvinenko, at the University College Hospital, in London Three people have been sent for radiological testing to see
2006年VOA标准英语（十一月)
By Carol Pearson Washington, DC 23 March 2006 watch Women Heart report People often associate sudden bursts of exercise with a dramatically increased risk of heart attack, especially for sedentary mid
2006年VOA标准英语（三月）
As International Women's Day is observed worldwide, Kenyan women gathered in Nairobi Tuesday to speak out against the police killings of their loved ones. For women around the world, the March 8 is a day to celebrate and advance the progress of gende
VOA标准英语2011年(三月)
By Carol Pearson Washington, DC 19 January 2006 watch Dementia Exercise report Experts estimate that more than 24 million people worldwide suffer from dementia, a loss of mental functions including me
2006年VOA标准英语（一月）
By Nancy-Amelia Collins Jakarta 06 April 2006 Three Christian militants sentenced to death for killing Muslims during sectarian violence that shook Indonesia's Sulawesi island six years ago may be exe
2006年VOA标准英语（四月）
今天我们要学的词是exemption。 Exemption, 例外。Virginia banned smoking in bars and restaurants a month ago, with the exemptions of private clubs, 维吉尼亚州一个月前开始禁止在酒吧和餐馆里吸烟，私人俱乐部除外。
英语单词荟萃
By Laura Adams. Todays show is about what makes someone a dependent, or an exemption, for income tax purposes. Tax Exemptions Save Money Its important to understand who you can claim as a dependent on your taxes, because you get a tax exemption for e
货币英语
By Patricia Nunan New Delhi 07 August 2006 Fifteen aid workers have been found executed in the eastern Sri Lankan town of Muttur - where fighting between the government and Tamil Tiger rebels has raged for nearly two weeks. Other humanitarian groups
2006年VOA标准英语（八月）
How to Find Time to Exercise We all know we should get more exercise but most of us dont manage to be nearly so active as we want to be. Its easy to blame busy lives. If your boss expects long hours or you run your own business, or youre a stay-at-ho
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Reina: Okay, Im ready to walk my way to better fitness! Lars: Im glad youre so enthusiastic about starting to exercise. Reina: Im totally psyched! Check out my new tennis shoes. Lars: Theyre brand new? You havent broken them in yet? I hope you dont g
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