单词：doubling of track
单词：doubling of track 相关文章
今天我们要讲的一个美国习惯用语是：To keep track。To keep track的意思是了解或关注某人的活动或是某件事的进展。 比如说，同学们从学校毕业后都各奔东西，大家往往就失去了联系。时间越长
美国习惯用语
Did you hear the news? his wife asked. They're doubling the price of a Powerball ticket next year. It's going to be $2. He said, Two dollars for one ticket? That's ridiculous! One dollar is too much already. We never win anything! Correcting him, she
英文短篇故事（纽约）
Joel Hanson和Sara Groves两个乡村歌手的首度合作即擦出火花，这首《Traveling Light》节奏明快、旋律流畅。听这首会有特别轻松的感觉，卸下心灵上的包袱，轻装前进，寻找自由... Traveling Light Joel
英语金曲精听
Mother feeding her severely malnourished daughter at centre run by CONCERN and supported by WFP The United Nations World Food Program is more than doubling the number of people it is planning to feed in Niger, as a food crisis caused by drought in th
VOA标准英语2010年(四)月
Nasa doubles Mars traffic 美将发射两枚探测器登陆火星 An artist's impression of what the new rovers will look like 想象中的新的漫游者的样子 The American space agency, Nasa, has announced that it is planning to send two unmanne
双语有声阅读
科学家估计，如果不减少二氧化碳排放，2100年地球平均气温将至少上升4摄氏度，到2200年会上升8摄氏度，无疑是地球灾难性的噩梦。 此前有科学家用气候模型分析称，全球气温将受二氧化碳排
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