prolonged

• 形容某事持续很长时间，常指比预期或通常更久。

Describes something that continues for a long time, often longer than expected or usual.

1. Extended in timeB2formal

   Continuing for a long time or longer than usual.

   持久的

   • The patient suffered from a prolonged illness.
   • There was a prolonged silence after the announcement.
   • Prolonged exposure to the sun can cause skin damage.

   同义词continuingdrawn-outextendedlengthylonglong-lastingprotractedtime-consuming

   反义词abruptbriefconcisefleetingmomentaryshortshort-livedtransient

2. Lasting longer than expectedB2formal

   Something that continues beyond the anticipated or normal duration.

   持久的

   • The negotiations resulted in a prolonged delay.
   • Prolonged use of the device may lead to overheating.
   • The storm caused prolonged power outages across the region.

   同义词drawn-outextendedlengthylong-lastingprotractedtime-consuming

   反义词brieffleetingmomentaryshortshort-livedtransient

• 动词，表示使某事物的持续时间或空间长度延长，或使某事延续更久。

A verb used to indicate the act of extending the duration or length of something in time or space.

1. Extend durationB2formal

   To make something last longer than usual or expected.

   延长

   • The medication may prolong the patient's life.
   • They decided to prolong the meeting by another hour.
   • Prolonged exposure to the sun can damage your skin.

   同义词draw outelongateextendlengthenprotractspin outstretch out

   反义词abbreviatecurtailcutshortentruncate

2. Extend in spaceC1formal

   To lengthen or stretch something in physical space.

   拉长

   • The architect proposed to prolong the hallway to connect the two wings.
   • They prolonged the runway to accommodate larger aircraft.
   • The road was prolonged by several miles to reach the new settlement.

   同义词draw outelongateextendlengthenstretch