prolong

动词

1. 1

   延长、拉长

   They decided to prolong their stay in the mountains by three days.

   他们决定把山上的行程再延长三天。

2. 2

   拖延、拖长含贬义

   Don't prolong the argument; just admit you were wrong.

   别再把争论拖下去了，承认自己错了就好。

3. 3

   延伸、加长正式

   Engineers plan to prolong the runway by another five hundred meters.

   工程师计划将跑道再延伸五百公尺。