基本解释vt.延长;拖延同根派生prolongable adj. 可延长的,可拉长的prolonger相关词英汉例句用作动词 (v.)用作及物动词: S+ ~+n./pron.The book fair has been prolonged due to some reason.由于某种原因,书展被延长了。S+~+ v -ingTwo countries prolonged signing an agreement until details could be agreed on.两国推迟签约直到就细节达成协议。prolonger更多例句