单词：vibration-acceleration level
单词：vibration-acceleration level 相关文章
Scientists are predicting a 110-mile sheet of ice -- a chunk the size of the state of Delaware -- will break off Antarctica in the coming days or weeks. The cause is warming ocean waters, and the ice melt has implications for sea level rise well beyo
PBS访谈环境系列
Tens of thousands of protestors have gathered in the Egyptian capital, possibly the largest crowd yet. They are still calling on President Hosni Mubarak to resign effective immediately. Earlier about 500 anti-government protestors broke away from the
CNN2011年(二)月
App Feels Earthquakes Through Mobile Phones 能发出地震警报的手机应用 A new phone app uses vibrations from smartphones to alert people about earthquakes. 一种新的手机应用使用智能手机的震动来提醒人们地震的发生。
2016年VOA慢速英语(二)月
Vehicles May Soon Be Talking to Each Other 汽车或许很快就能相互交流 WASHINGTON U.S. regulators are close to approving new standards for enabling vehicles to communicate with each other, hoping the new technology will reduce traffic accide
VOA标准英语2014年(四月)
As five European foreign ministers meet in Copenhagen to prepare for an aggreement to succeed the Kyoto Protocol, scientists in Greenland are warning about accelerated glacier melts. Several years ago, scientists reported that the Helheim Glacier, su
自然百科2009年
Larry和李华正在乘公共汽车去公园去溜冰。今天李华会学到两个常用语：to level with someone和clueless. (Local traffic) LL: I have to level with you, Li Hua. I'm not very fond
美国之音《流行美语》