prolonged
adjective
uk/prəˈlɒŋd/us/prəˈlɑːŋd/C1
continuingfor alongtime:
延续很久的，长期的Prolonged use of thedrugisknownto haveharmfulside-effects.据了解，长期服用此药会产生对人体有害的副作用。
Synonyms
drawn-out
extended
lengthy
long(TIME)
protracted
continuing for a large amount of time
- longHe's been gone a long time.
- prolongedShe returned to work after a prolonged illness.
- lengthyAirline passengers may face lengthy delays during holiday travel.
- sustainedWe continue to see sustained economic growth.
- extendedStanding for extended periods of time can be bad for your back.
Lasting for a long time
- all-night
- ancient
- be going strongidiom
- changeless
- dateless
- full time
- immemorial
- incorruptibility
- incorruptible
- incorruptibly
- long-time
- longevity
- man and boyidiom
- never-ending
- nondurable
- time-consuming
- timeless
- timelessly
- timelessness
- year