单词：keystone piston ring
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用Mp3背六级单词
LULU GARCIA-NAVARRO, HOST: Native Americans from across the Northern Plains are gathered in Fort Laramie, Wy., this weekend. They're marking the 150th anniversary of the Lakota Treaty with the United States. Jim Kent reports on a document that some f
2018年NPR美国国家公共电台4月
'Keystone Companions' Highlights Merl Saunders-Jerry Garcia Collaboration With Garcia on guitar and Saunders on keyboard, the two began picking together on a regular basis in 1970. It started as a weekly jam session at a small club in San Francisco.
VOA标准英语2013年(一月)
A:Welcome to Als Garage. What seems to be the problem? B:No problem at all! I am taking a long road trip and I want to make sure my car is in good mechanical condition. A:Very wise decision. When was the last time you had a tune up? B:Not that long a
纯正地道美语
Economics Report - Energy As an Issue in Americas Presidential Campaign 经济报道 - 能源问题成为美国总统竞选重要议题 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Energy has beco
2012年VOA慢速英语(三)月
AS IT IS 2015-11-07 Obama Rejects Keystone XL Pipeline Project 奥巴马否决Keystone XL输油管道项目 President Barack Obama has rejected the Keystone XL oil pipeline project. 美国总统奥巴马否决了Keystone XL输油管道项目。 The p
2015年VOA慢速英语(十一)月
Ocean Floor Reveals Past Climate Changes Time capsule Lamont research professor Maureen Raymo, the director of the Core Repository, slides open a long, narrow drawer from the cabinet. Like thousands of others here, the drawer contains a long, thin cy
VOA标准英语2012年(一月)
This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile
VOA标准英语2016年(三月)
G-20 Subsidizing Fossil Fuels by $452 Billion, Research Shows G-20补贴矿物燃料4520亿美元 As leaders of the Group of 20 major economies gather in Turkey for the 2015 summit, campaigners are calling on them to stick to their pledge to stop sub
VOA标准英语2015年(十一月)
SCOTT SIMON, HOST: The latest chapter in the controversial Keystone oil pipeline played out late this week. A federal judge in Montana temporarily blocked the project and asked for an additional environmental review. Indigenous activists are cheering
2018年NPR美国国家公共电台11月
JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe
PBS访谈环境系列
GWEN IFILL: Now to the political power struggle over legislation to build the Keystone XL pipeline, which landed today on the president's desk and was promptly vetoed. The president chose to carry out the veto in private, out of the glare of cameras,
PBS访谈商业系列
Coffee, computers and piston engines - could we imagine a world without them? These are intricate parts of every day life for most of us and the knowledge that led to them was either invented by or passed down through the ancient Muslim world. That's
VOA标准英语2010年(二月)
A group of senior students from Zhejiang University have successfully developed an air hand-washing device. 浙江大学的一队大四学生成功研制出了空气洗手装置。 The device utilizes an infrared ray induction system, which detects t
英语新闻
When Dusty learns that his engine is damaged and he may never race again, he shifts gears and is launched into a world of aerial firefighting. I thought it was a great start. I knew that it would be a more of a harrowing adventure. The first film was
CCTV9英语新闻2014年07月
Topics: Ask an American: Nursing; responsible versus accountable; -wise; to double back Words: handmaiden keystone interaction consistently to give care to pull (someone) through to come up to (someone) to proceed to measure to specialize out in acut
美语听力 English Cafe
Track One From a very young age I had a bit of a fascination with flying 我自儿时便有些迷上了飞行 Bit of a fascination with speed 着迷那样的高速（驾驶） As I went through school and into my A-Levels I wanted to pursue a flying
英语PK台