spin的过去式和过去分词两种

　　Stay away when the plane's propellers are spinning.

　　飞机的螺旋桨在快速旋转时，要离得远一些。

　　Politicians put their own spin on the economic situation.

　　政治家们对经济形势各执一词。

　　He used to spin yarns about his time in the Army.

　　他过去经常编造一些有关他在部队时的离奇故事。

　　The transportation operation will be spun off into a separate company.

　　运输部门将脱离出来组建为一家独立公司。