B2 noun /ˌek.spɪˈdɪʃ.ən/
Expedition
遠征
Meaning
a journey undertaken by a group of people with a particular purpose; organized trip for exploration
Example
The mountain climbing expedition required months of careful planning and preparation.
山登りの遠征は、数ヶ月の慎重な計画と準備を必要としました。