音频下载 今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药，可能可以治疗任何病毒感...

音频下载 今天我们要学的词是protracted。 Protracted, 长时间的，拖延的。 President Obama said the protracted struggle between Republicans and Democrats over raising the U.S. debt ceiling is 'an entirely self-inflicted wound' to t...

音频下载 今天我们要学的词是erupt。 Erupt, 爆发。 The governor's aid resigned from her post after the scandal erupted, 丑闻曝光后，州长助理宣布辞职。 Britain announced new measures to restore order and prevent the riots...

音频下载 今天我们要学的词是consolidate。 Consolidate, 巩固。 The White House has been pressing Pakistan to conduct an offensive against Taliban in the tribal area, but Pakistan insists it has to consolidate other military gains first...

音频下载 今天我们要学的词是volatile。 Volatile, 不稳定的，动荡的。 Wall Street ended a volatile week of trading, 华尔街股票交易结束了动荡的一周。 With Europe's debt crisis and America's debt rating downgraded, g...

音频下载 今天我们要学的词是outlook。 Outlook, 展望，前景。 The Federal Reserve downgraded its outlook for the American economy and signaled it would hold interest rates low until at least mid-2013, 美联储下调了对美国经济前...

音频下载 今天我们要学的词是tie the knot。 Tie the knot, 结婚。 A small number of college students choose to tie the knot before they graduate, 一部分大学生选择在毕业之前结婚。 Gay and lesbian couples raced to tie the...

音频下载 今天我们要学的词是accelerate。 Accelerate, 加速，加快。 The World Food Program says it is accelerating aid deliveries to the Horn of Africa, 世界粮食计划署表示，将加快向非洲之角运送援助物资。欧洲央...

音频下载 今天我们要学的词是compulsion。 Compulsion, 可以用来指自身难以控制的冲动。最近一项研究发现，智能手机用户查看手机频率高达平均每天34次。 Experts say the 'checking habit' has almost becom...

音频下载 今天我们要学的词是undergo。 Undergo, 是动词， 有经历、承受的意思。委内瑞拉总统查韦斯在古巴接受手术，治疗癌症。 Venezuela's President Hugo Chavez underwent surgery in Cuba to treat cancer, 很多...