prolongation
🇺🇸
/ˌprəʊlɔːŋˈɡeɪʃn/
🇬🇧
/ˌprəʊlɒŋˈɡeɪʃn/
The process of making something continue for a longer time.
The doctor recommended a prolongation of the treatment to ensure full recovery.
医生建议延长治疗时间以确保完全康复。