雅思听力词汇备考：赈灾

　　理性救灾rational volunteering;

toll ;

　　黄金72小时the 72-hour "golden window"/the golden rescue period;

　　心理干预psychological intervention;

　　人道主义援助humanitarian aid;

　　灾后重建post-disaster reconstruction;

　　地震次生灾害seismic secondary disaster