n.延伸,延长部分;拓展;
例句:
There was an indefinite prolongation of the peace talks.
和平会谈被无限期地延长了.
In this case, prolongation of life should trump reproduction.
既然这样, 延长寿命就要重于繁衍后代.
Based on pilot enterprises, promote the prolongation of industrial chain as to build strong economic blocks.
依托龙头企业, 带动产业链条延伸,打造强势经济板块.