Vocabulary.

nation: 国家
retreat: 撤退
thaw: 解冻/融化(melt)
Mississippi: US state foreshadow: 预兆
forecast a cascade effect : chain of events
beach shoreline: 沙滩海岸线
arable-可耕的 (pertanian)
donned: 穿上 ,donned in a work suit and oxfords.
catastrophic 灾难性的
frugal and thrifty- berjimat cermat. 

1may2014, thursday.