单词：
单词： 相关文章
Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl
万花筒2008年
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product
Scientific American(三)月
Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t
Scientific American(七)月
The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h
英文摇滚歌曲
Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质，还希望创造一种更便
阅读空间