单词:assisted drying
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Its been nearly 20 years since astronomers first identified a planet outside our solar system. More than 500 exoplanets have been discovered since then, ye
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. We can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such ma
This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop
陈豪在北京的ABC美国公司工作。他今天在走廊里遇到了美国同事Amy。 (Office ambience) A:Chen Hao, you look pleased about something. What is it? C:我刚才发现电话上有个叫speaker的键,只要按下去,就不用再
This sea lion is one of the regulars at a fishery as she stands on her flippers patiently queuing up for her fish supper. 这头海狮是这个鱼贩的常客之一,它用鳍支撑着身体耐心地排着队等待它的金枪鱼晚餐。 The cheeky
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