单词：vacuum freezing wapour compression desalination plant
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用Mp3背六级单词
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了， 想救人家
60秒科学
1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值；临界值
英文名句短语
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
365个英语简短小故事
Trap Queen - Fetty Wap Remy boyz yeaahhhh 雷米小子，耶 1738 1738 I-I'm like hey what's up hello 我想说，嘿，你好 Seen you pretty as soon as you came in that door 你踏进房门的一瞬间，就吸引了我的目光 I just wanna chill
2015 MTV 音乐录影带
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc
天天商务口语
D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
电信英语
One of the world's biggest water desalination plants is about to open in Australia's biggest and thirstiest city, Sydney. The plant is part of a program aimed at providing water as the continent battles erratic rainfall and the city attracts 50,000 n
VOA标准英语2010年(一月)
Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br
VOA标准英语2010年(七)月
Authorities in Western Australia say they can show the world how to conquer a water crisis that had threatened to decimate the state capital, Perth, amid a long-standing drought and declining rainfall. Desalination is at the heart of Western Austral
VOA标准英语2009年(二月)
Israel's outgoing government is pushing for what many describe as a lopsided prisoner swap with Palestinian militants. Israel has sent an intelligence chief and a top negotiator to Cairo in a last ditch effort to win the release of captive Israeli s
VOA标准英语2009年(三月)
Winter Wheat According to the famous song, America is beautiful for its spacious skies, purple mountains, and amber waves of grain. If you were to make a music video based on these lyrics youd probably want mid to late summer images of fruit-laden tr
英语听力文摘 English Digest
今天我们要学的词是swap。 Swap, 交换。 The new website helped parents swap children's clothes and save money, 这个新网站帮助家长互换孩子的衣服，节省开销。美国加州一个17岁的孩子用旧手机换保时捷。 He
英语每日一词
今天我们要学的词是swap。 Swap, 交换。 The new website helped parents swap children's clothes and save money, 这个新网站帮助家长互换孩子的衣服，节省开销。美国加州一个17岁的孩子用旧手机换保时捷。 He
英语单词荟萃
Israel and the Lebanese Shi'ite militant group Hezbollah carried out a prisoner exchange Wednesday - swapping five Lebanese prisoners for the bodies of two Israeli soldiers. VOA's Jim Teeple has details from our Jerusalem bureau. Two years after the
VOA标准英语2008年（七月）
Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is
英语新闻
IF CALIFORNIA were not already so famous for Silicon Valley and Hollywood, it might be renowned for the cluster of water-technology firms in its San Diego County. The reverse-osmosis (RO) spiral module, the trick that underpins turning sea- and waste
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