expedition和exploration的区别，用法

expedition英 [ˌekspə'dɪʃn]　　 美 [ˌekspə'dɪʃn]　　n.远征；探险队；迅速用作名词 (n.)They equipped themselves for the expedition.他们为远征治装。They planned to organize a scientific expedition.他们计划组织一···