搜尋結果
ravelin
- IPA[ˈravəlɪn]
英式
- an outwork of fortifications, with two faces forming a salient angle, constructed beyond the main ditch and in front of the curtain.
noun: ravelin, plural noun: ravelins
- 更多解釋
- IPA[ˈravlən]
美式
- an outwork of fortifications, with two faces forming a salient angle, constructed beyond the ...
Oxford American Dictionary