标签：Tool 相关文章
This is the VOA Special English Economics Report. A business plan, in the words of the Small Business Administration in Washington, is a tool with three basic purposes. As a communication tool, it can show possible investors how well you have consid
VOA慢速英语2009年（六）月
By Dan Robinson Washington 26 July 2007 FBI Director Robert Mueller has urged the U.S. Congress not to weaken a key legal tool that law enforcement authorities have been using since September 11, 2001 in their efforts to prevent new terrorist attacks
2007年VOA标准英语（七月）
When patients show up in the hospital with a respiratory illness, they are usually given an antibiotic which do not work against viral infections. Even though most of these respiratroy infections are viral, it is estimated that in these cases antibio
2016年Scientific American(一)月
Building a Windbreak to Protect Crops建设防风保护农作物 Welcome to As It Is, from VOA Learning English. Im Karen Leggett in Washington. Thanks for joining us. 欢迎光临，As It Is美国之音学英语。我是Karen Leggett在华盛顿。感
2014年VOA慢速英语(三)月
New Google Flights Tool Tells When Airfare Prices May Change 谷歌航班新推出预测机票票价变化的工具 The cost of airplane flights is often the biggest expense of travel. Airfares can be expensive and budgeting for them can be difficult
2016年VOA慢速英语(十一)月
By Patricia Nunan New Delhi 25 July 2006 Like many developing nations, India contends with endemic corruption. Even the management of one of India's most enduring symbols - the cow, which Hindus consider sacred - is rife with corruption and fraud. T
2006年VOA标准英语（七月）
Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr
VOA标准英语2012年(一月)
US Supreme Court Hears Racial Preference Case Outside the Supreme Court in Washington people gathered to have their opinions heard. The high court is deciding whether schools can consider race when admitting students. Some, like University of Texas s
VOA标准英语2012年(十月)
Looking to lead a more eco-friendly lifestyle? You could start by cutting back on meat. A new nitrogen footprint calculator shows you the impact your diet has on the environment. You may have heard of the concept of a carbon footprint. That's how muc
VOA标准英语2011年(三月)
Songs Against Slavery Used as Tool for Abolition 歌曲成为废除奴隶制的工具 December 18, 2013, was the 149th anniversary of the abolition of slavery in the United States. The fight to end slavery did not begin with the American Civil War. F
VOA标准英语2014年(一月)
STEVE INSKEEP, HOST: The number of Americans who are drinking - drinking to a point that's harmful or dangerous - is on the rise. That's according to federal survey data in recent years. The increase is notable among older adults and especially notab
2018年NPR美国国家公共电台1月
No Snapchat In The Bedroom? An Online Tool To Manage Kids' Media Use play pause stop mute unmute max volume 00:0004:03repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your F
2016年NPR美国国家公共电台10月