英语词汇“ravelin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

ravelin

释义

Noun: ravelin

A fortification outside a castle used to split an attacking force; composed of two faces, forming a salient angle whose gorge resembles a half-moon

Derived forms: ravelins

Encyclopedia: Ravelin

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