Ravelin

In 16th century Revelin Fortress became the strongest city fortress within Walls of Dubrovnik in Croatia.

A ravelin is a triangular fortification or detached outwork, located in front of the innerworks of a fortress (the curtain walls and bastions). Originally called a demi-lune, after the lunette, the ravelin is placed outside a castle and opposite a fortification curtain.

单词	ravelin
释义	ravelin /'rævlɪn//'rævlɪn/ 英汉-汉英词典 n. (城墙的)半月堡词组 \| 习惯用语您要查找的是不是： ravel v. 使更复杂；使更纷乱；解开（线团等） n. 缠绕；错杂 javelin n. 标枪，投枪 raveling n. 纠缠；被拆散的东西 v. 纠缠；解开；剥落（ravel的ing形式） Aveline n. 艾夫琳 ravelin n. 半月堡；三角堡英语百科 Ravelin A ravelin is a triangular fortification or detached outwork, located in front of the innerworks of a fortress (the curtain walls and bastions). Originally called a demi-lune, after the lunette, the ravelin is placed outside a castle and opposite a fortification curtain.
随便看	Thicarbanilide Thich thichinelliasis thichness thicholemmoma thick airfoil thick albumen thick and fast thick and tender tongue Thick and Thin thickandthin thick and thin block thick and thin fin labyrinth thick and thin places thickandthin yarn thick and thin yarn thick annular plate thick arch dam thick article Thick as a Brick thick as blackberry thick as hail thick as mince thick as pig shit Thick as Thieves

ravelin /'rævlɪn//'rævlɪn/

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Ravelin