单词：luminaire efficacy
单词：luminaire efficacy 相关文章
The life I desired 我所追求的生活 That must be the story of innumerable couples,and the pattern of lifeof life it offers has a homely grace.It reminds you of a placid rivulet,meandering smoohtl
世界上最美丽的英文-人生短篇
1. What does fire away mean?: a) you can ask me anything you want b) it's safe to fire the gun c) I think I can smell something burning 2. Which other expression has the same meaning as fire away? 3. Is fire away a friendly or unfriendly thing to sa
语言小点心
Topics: Movies-The Usual Suspects; Tribal Colleges and Universities; effectiveness versus efficacy; to consider and to differentiate; common responses to Thank you Words: usual suspect version limp to round up innocent notorious tribal to force reser
空中美语初级
Fireworks! Now, the VOA Special English program, Words and Their Stories. Im Rich Kleinfeldt. Today we tell about the word fireworks. The expression fireworks gets its meaning from the fireworks that people shoot into the sky when they are celebratin
2013年VOA慢速英语(七)月
This is Scientific American's 60-Second Science, I am Cynthia Graber. This will just take a minute. When it comes to saving lives, a personal touch can sometimes work better than drugs alone. Thats what researchers in Uganda found in a study publishe
Scientific American(三)月
By Paige Kollock Washington, DC 20 January 2006 watch Malaria Treatments report The World Health Organization says the most effective cure for malaria could be in jeopardy, unless their new prescripti
2006年VOA标准英语（一月）
A new partnership is being launched to develop a malaria vaccine that would prevent parasites from entering the liver. Most of the symptoms of the disease develop after parasites have had time to replicate there. A new partnership is being launched t
VOA标准英语2010年(十二)月
Malaria Vaccine Shows Acceptable Safety, Efficacy Results An international health alliance working to develop a vaccine against malaria says one of its most advanced vaccines, called RTS,S, shows promising results. After two years of human clinical t
VOA标准英语2011年(十月)
Fighting Fire with Fire In African savannahs, or grasslands, wildfires can either be destructive or beneficial. It all depends on when those fires occur. Scientists at the World Agroforestry Center have developed a system to determine the best time t
VOA标准英语2013年(二月)
A: Hello! How do I get online with my laptop? B: Just plug the Ethernet cable into your computer, and you'll be online in a heartbeat. A: Well, I see the cable. But my computer runs on wireless only. B: No problem. I'll tell you about our alternative
英语情景对话-旅馆
With Christmas upon us, many of us are much more likely to respond to charity advertisements featuring hardship and poverty. But in an article for the BBC, UK charity founder Georgie Fienberg argues for an end to what she calls pity aid, and for peop
英闻天下
Everyday interactions such as striking up a conversation or taking part in one might not be a piece of cake when English is not your first language. Some people are scared of making mistakes, others dont feel confident about speaking English because
阅读空间
Key Sentences（重点句子） 488．I'd like to hire a car for three days. 我想租一辆车，租用三天。 489．What kind of car do you want? 您想租用什么样的车？ 490．We need a minibus. 我们想租一辆面包车。 491．How wou
实用英语
BEIJING, Feb. 15 (Xinhua) -- Sales of fireworks and the number of people injured due to fireworks setting off in Beijing have dropped significantly during this year's Spring Festival holiday, which began on Feb. 10. A total of 313,000 cartons of fire
英语新闻
英文歌词： where do bad folks go when they die? They don't go to heaven where the angels fly They go down to the lake of fire and fry Won't see them again till the fourth of July I knew a lady who came from Duluth She got bit by a dog with a rabid t
英文摇滚歌曲
Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smithand today Kate and I are talking about retirement（退休 ）. Kate: Hello Dan. Yes, well retirement is the time of your life when you stopworking completely. And here in the
六分钟英语
LOS ANGELES, Jan. 8 (Xinhua) -- The Directors Guild of America (DG) on Tuesday handed out nominations to elite directors including Steven Spielberg and Ang Lee who are viewed as front- running contenders for best helmer of 2012. Ben Affleck earned a
英语新闻
And so with our overhelp, our overprotection and overdirection and hand-holding, 随着我们的过度帮助，过度保护，过度指导和过度关怀， we deprive our kids of the chance to build self-efficacy, which is a really fundamental tenet
TED演讲科学篇
Moderator : Ladies and Gentlemen: The President of the United States, Ronald Reagan. President Reagan : Thank you. Thank you very much. Thank you very much. Thank you very much. Thank you very much. And , Reverend Clergy all, Senator Hawkins, distin
名人演讲