单词:law of conservation of mass-energy
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Passage Three Priscilla Ouchida’s “energy-efficient” house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bedroom home
AZUZ: You might have heard the phrase Don`t spit into the wind. And if you haven`t, you can probably figure out why you shouldn`t do it. 你可能听说过不要随地吐痰的谚语。如果没有,你可能要弄清楚不应该这样做的原因。
The World Wildlife Fund, an international conservation group, says more than two-thirds of the world's wildlife could be gone by the year 2020. The organization says there's already been a 58 percent decrease in the number of fish, mammals, birds and
This is Scientific American - 60 seconds Science. I'm Synthia Graver. Got a minute. It's obivious that say turning the lights off saves money, but being reminded that using less energy saves money may not be the most effective way to motivate consume
兵势篇 NO.6: 故善战者,求之于势,不责于人,故能择人而任势。 任势者,其战人也,如转木石。 木石之性,安则静,危则动,方则止,圆则行。 故善战人之势,如转圆石于千仞之山者,势也
By Paula Wolfson White House 18 December 2006 President Bush has signed legislation clearing the way for U.S. civilian nuclear cooperation with India. VOA's Paula Wolfson reports administration officials see it as a landmark event, ushering in a new
But the sun's violent burst can harm us, its active nature is what allows us to live at all, because the sun also eject the solar wind, and energized stream of particles that head out into space, and that we can see passing-off as it bounces off our
An environmental group is applauding Congress for its green record in 2009 but sweeping climate change appears doubtful given the partisan divide on Capitol Hill. Each year the Washington-based League of Conservation Voters releases a scorecard that
U.S. President Barack Obama signed into law Tuesday the biggest economic stimulus plan in the nation's history. The almost $800 billion in government spending and tax cuts is designed to get America's economy back on track. President Barack Obama si
By Ernest Leong Washington 15 April 2008 The push to become more environmentally friendly is gaining momentum in the Washington area. The first all-hybrid taxicab fleet in the U.S. recently opened for business just outside the nation's capital. VOA's
Doctor Li Lailai, China Director of the World Resources Institute says sustainable supplies of water and energy are intensifying in China as human demand continues to grow. She says water conservation is becoming a critical issue. We do have a progra
1. A senior U.S military official says efforts to defeat the Islamic State group are gaining momentum. Rear admiral Andrew Lewis said Wednesday that Iraqi security forces have begun capturing territory in several areas. 2. A treasury department actio
这些政府工作报告中的热词,你会用英语表达吗?快和小编一起来英语词汇中学习一下吧! 能源消耗 energy consumption 清洁、可再生能源 clean and renewable energy sources 化学需氧量 chemical oxygen deman
Step by Step 3000. Book Two. Unit 8. Everybody can help the environment. Part 1. Warming up. A. Keywords. organization, protect, conserve, environment, nature, campaign, movement, climate crisis, waste, climate change, NGO (non-governmental organizat
台湾籍旅美老师今天交给我们的句子是: Amongst its many initiatives, the island resort has established a system for energy conservation, coral and endangered species protection, solid waste management, and dedication to guiding and en
非盟呼吁津巴布韦各方按宪法处理争端,格蕾丝穆加贝据传已逃离 Welcome to 'Today' - an hour of world news and analysis -- from a different perspective. I'm Suyi Coming up: --China and the Philippines pledge to enhance posit
模仿文本:There is a term that economists like to use - hyperinflation. Prices just develop a momentum all of their own. And that's the risk that people are afraid of. 经济学家们很喜欢引用恶性通胀这个术语。价格在一瞬间突然
Between 1970 and 1980, energy consumption by United States industry peaked and then declined, so that by 1980 total industrial use of energy was below the 1970 level even though total industrial output had grown substantially in the same period. Indu
Between 1970 and 1980, energy consumption by United States industry peaked and then declined, so that by 1980 total industrial use of energy was below the 1970 level even though total industrial output had grown substantially in the same period. Indu