基本解释vt.延長;拖延同根派生prolongable adj. 可延長的,可拉長的prolongs相关词英汉例句用作動詞 (v.)用作及物動詞: S+ ~+n./pron.The book fair has been prolonged due to some reason.由於某種原因,書展被延長了。S+~+ v -ingTwo countries prolonged signing an agreement until details could be agreed on.兩國推遲簽約直到就細節達成協議。prolongs更多例句