单词：roto-tube automatic feeder
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This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Theres plenty of evidence that animals learn from one another. But until now, it was thought that only humans make judgment calls, such as that woman see
Scientific American(六)月
Robots, becoming increasingly prevalent in factories and industrial plants throughout the developed world, are programmed and engineered to perform industrial tasks without human intervention. Most of today's robots are employed in the automotive ind
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今天我们要学的词是 automatic。Automatic 自动的。semi-automatic rifle 半自动步枪。If the Congress doesn't take action soon, automatic spending cuts will take effect on March 1st. 如果国会不马上采取行动的话，政府削减
英语单词荟萃
Paul: Could you help me? I have a few questions about this computer printer. Clerk: Sure. Ill try. Paul: What Im wondering is whether this machine can be used as a copier as well as a printer. Clerk: Yeah, it can. This is a multifunction machine. It
地道美语播客
'Test Tube Burger Provides Meatless Alternative Paying $330,000 for a hamburger might seem like a lot, but that's what it cost for scientists in the Netherlands to prove it's possible to make a meat-like pattie from a cluster of muscle cells. At the
VOA标准英语2012年(三月)
Feeder clubs: Who's feeding whom? FRI 21 AUG 2015 Has Vitesse Arnhem lost its identity by becoming Chelsea's feeder club?
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