单词:chestpads
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. You know that warm feeling you get when you spend time with someone you love? How about the one that comes from wrapping your hands around a steaming m
Jay was born to ride. Just after learning to walk, he got his first tricycle. A year later he was on a bicycle with training wheels. At the age of five he was a skilled bicyclist, able to jump off ramps and fly through the air. His father made sure h
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Quality truffles can sell for more than a $1000 a pound. Theyre also valuable in environmental research, work thats discussed in an article called The Hidden Life of Tru
作文题目: Internet Communication 参考范文: Due to the wide use of computers and the development of Internet, more and more people like to chat on the Internet. We tend to pay more attention to Internet communication than to face-to-face c