ravelin
/'rævlin/
中文翻译
n. V形棱堡
英文解释
n. A detached work with two embankments which make a salient
angle. It is raised before the curtain on the counterscarp of the
place. Formerly called demilune, and half-moon.
相关词组
1
n. 被拆散的东西, 纠缠