英[ˌprəʊlɒŋ'ɡeɪʃn]美[ˌproʊlɔːŋ'ɡeɪʃn] n. 延长；延长部分 中文 双解 英英 词法 noun(名词) 延长，拖延 noun(名词) the act of making something last a longer time延长，拖延 n.the act of prolonging something同义词：protraction / perpetuation / lengtheningamount or degree or range to which something extends同义词：extension / lengthinessthe consequence of being lengthened in duration同义词：lengthiness / continuation / protraction 词态 复数：prolongations； 语态 双解例句 noun(名词) 延长，拖延More research is being done into the prolongation of life. 人们正在对延长寿命进行更多的研究。Neither side should welcome the feud's prolongation. 任何一方都不应该希望世仇延续下去。 实用短语prolongation of life span生命延长率restore life prolongation延寿修复natural prolongation自然延伸,自然延展prolongation clause续租条款prolongation of life延年益寿odd prolongation奇延拓the prolongation of life长寿说,寿命的延长period of prolongation of voyage航程延长时间even prolongation偶延拓 同义词extension / continuance / addition / continuation / pursuit 同根词词根：prolongadj.prolonged延长的；拖延的；持续很久的vt.prolong延长；拖延