Something resembling a diadem in shape. 王冠状物形状象王冠的东西
To adorn with or as if with a diadem. 为…加冕以或似以象征王权的头带装饰
Between the Rue Neuve-du-Temple and the Rue Saint-Martin, there was the Abbey of Saint-Martin, in the midst of its gardens, a superb fortified church, whose girdle of towers, whose diadem of bell towers,yielded in force and splendor only to Saint-Germain des Près. 在圣殿新街和圣马丁街之间，又有圣马丁修道院，座落在花园中间，筑有防御工事，塔楼连成一片，钟楼重叠，宛如教皇三重冠，这座教堂巍峨壮丽，坚不可摧，仅次于圣日耳曼－德－普瑞教堂。
现代英汉综合大辞典
王冠, 冕(尤指东方君主的头带)
柯林斯
百科