長期間 (choukikan) Japanese meaning: long period | KotomoraThis medicine can be stored for a long period.
A long-term plan is necessary.
He lived abroad for an extended period.
Usage patterns
〈事〉が長期間続くfor something to continue over a long period
This economic downturn has continued for a long time.
長期間にわたって〈動詞〉to do something over an extended period
The research was carried out over a long period of time.
長期間〈場所〉を離れるto be away from a place for a long period
He had been away from home for a long time.
長期間保存できるcan be stored/preserved for a long period
This food can be preserved for a long time.
