单词：CFM - cubic feet per minute
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you saw the movie March of the Penguins, or even the animated film Happy Feet, you know that male penguins take their role as parents pretty seriously
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Ben was watching Ultimate Fighting on TV. In Ultimate Fighting, two fighters fight inside a cage. The 8-sided cage is about 30 feet across. The cage is almost six feet high. The fighters are barefoot and shirtless. They wear fingerless gloves. They p
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围绕树木展开的话题.... Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme, Im joined by Kate. OK Kate, well last week we were talking about tree climbing,
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This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? If youve spoken to anyone in New York City, where Scientific Americans offices are, then youve heard about the rain, every day since mid-June. Still, were not in t
Scientific American(七)月
This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa
Scientific American(五)月
讲解文本： space 走神，发呆 Say that again please. I spaced for a minute. 请再说一遍，我刚刚走了一会儿神。 I'm sorry, I spaced. Are we still talking about that story? 不好意思，我刚才走神了。大家还是在聊那个
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