英语词汇ravelin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ravelin
释义	ravelin/ˈrævlin/n. hist. an outwork of fortifications, with two faces forming a salient angle [史义] (作为古城外垒的)半月堡 [French from obsolete Italian ravellino, of unknown origin]
随便看	perfunctory perfuse perfusion perfusive pergana pergola pergunnah perhaps peri peri- perianth periapt pericardiac pericardial pericarditis pericardium pericarp perichondrium periclase periclinal pericope pericranium peridot perigean perigee

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