Hurricane Irene:飓风艾琳

tropical storm:热带风暴

death toll:死亡人数

floodwater:洪水

torrents:激流

sweep away:冲走

submerge:淹没

widespread power outages:大范围断电

wreak havoc:造成大破坏

flight cancelled:航班取消

transportation came to a halt:交通中断