n.风吹落的果实；意外的收获；侥幸所得
After the storm she gather a basketful of windfall in the apple orchard. 风暴过後，她从苹果园地上拣了满满一篮子苹果。
He applied the windfall to payment of his mortgage. 他把那笔意外的收入用於偿付抵押。
This windfall will eventually dwindle. 此类侥幸所得终将减少。
