military expedition

• 武装力量为特定目的（如作战、侦察或在境外建立存在）而进行的长途行军或行动。

A journey or voyage undertaken by armed forces for a specific purpose, such as combat, exploration, or establishing a presence in a foreign territory.

1. Organized military journeyB2formal

   A planned journey or operation undertaken by armed forces for a specific purpose, such as conquest, exploration, or combat.

   军事远征

   • The Roman military expedition into Gaul lasted several years.
   • The general led a military expedition to secure the border region.
   • The failed military expedition resulted in heavy casualties.

2. Competitive campaignC1informal

   A series of organized efforts or campaigns, often used metaphorically in sports or business.

   远征

   • The team's military expedition through the playoffs was relentless.
   • The company launched a military expedition into new markets.
   • His political campaign felt like a military expedition.