科学60秒:两大法案限制科研
【全文听写】 Hints: Patriot Act Bioterrorism Preparedness Act Carnegie Mellon Proceedings National Academy of Sciences ebola virus Klebsiella bacteriaThe Patriot Act and the Bioterrorism Prepa...
短句听写:巨大的影响
短句听写 hints: Washington White House Chief of Staff Bill Daley HawaiiIn Washington, White House Chief of Staff Bill Daley said there did not appear to be "any enormous impact" from the t
短句听写:改革福利
短句听写 hints: Mr. ObamaAdministration officials have suggested Mr. Obama may discuss reforming costly benefit programs for the elderly, the poor and retired Americans.美国政府官员暗示,奥巴马...
短句听写:怕迷路需谨慎
短句听写 hints: Sylvia TonySylvia and Tony got terribly lost the last time they went hiking, so this time they played it safe and did not walk too far from their home.席薇亚和汤尼上次去健行时迷...