prolong [prəˈlɒŋ]

以下由轻松背单词网站提供

vt.延长，拉长，拖延

to make something last a longer time

He has decided to prolong his visit through the weekend. 他已决定把他的访问延长到过完周末。
People have all along been seeking to prolong life. 人们一直在寻求长寿之道。