expedition

n.

1. 远征; 探险; 考察
   • The scientists will go on an expedition to the South Pole.
     这些科学家们将要去南极考察。
2. 迅速, 动作敏捷
   • They carried out the captain's orders with all possible expedition.
     他们毫不迟疑地迅速执行船长的命令。