及物动词
1. People have all along been seeking to prolong life.
人们一直在寻求长寿之道。
2. The delegation decided to prolong their visit by one week.
代表团决定把访问延长一个星期。
1. 延长：prologue 开场白,序言 | prolong 延长 | prominent 显著的
2. 延长;伸展：profile 剖面, 侧面, 外形, 轮廓 | prolong延长;伸展 | propeller螺旋桨;推进器
3. prolong的意思
3. 放长：draw-string neck 抽带领 | prolong 放长 | feather-edge 易褶薄边
4. 延伸器：projection welding 凸焊 | prolong 延伸器 | promethium 钷
1. 延长；拉长；拖长
To prolong something means to make it last longer.
e.g. Mr Chesler said foreign military aid was prolonging the war...
切斯勒先生说国外的军事援助拉长了战事。
e.g. The actual action of the drug can be prolonged significantly.
这种药物实际起作用的时间可以大大延长。