crenellation是什么意思

开垛口

1. The castle's crenellations provided a strategic advantage in defending against attacks.
（这座城堡的垛口在抵御攻击时提供了战略上的优势。）
2. The crenellation along the top of the wall gave the building a medieval appearance.
（墙顶的垛饰让建筑物呈现出中世纪的风格。）

n. 垛口；垛饰；城垛