Categorize the plants into four groups.把这些植物分成4类。Her work is difficult to categorize.她的工作很难归类。This type of china is rather hard to categorize,it's very unusual.这种瓷器非常特殊，很难归类...
We would be back to our historical cycle of exuberant overextension and sulking isolationism.我们就会回到历史上洋洋自得的过份开发和阴郁沉闷的孤立主义时期,从而周而复始下去.Isolationism is a strictly national policy.隔离主义是一顶严格的国家政策。...the perils of isolationism...