- 回復{かいふく}に必要{ひつよう}な時間{じかん}
- time needed: 所要時間{しょよう じかん}
- recuperation: recuperation n. 回復, 立ち直り.【形容詞 名詞+】He began to feel his recuperation was complete.自分はすっかり立ち直ったと感じはじめていたAfter her accident and long recuperation, she was unfamiliar with developments in the office.事故に
- reduce the time needed to: ~するのに要する時間{じかん}を減らす