the main tower within the walls of a medieval castle or fortress
双语例句
1. To the north saint-denis and its spire; to the west saint cloud and its donjon keep.
北边是圣德尼及其尖顶，西边是圣克鲁及其圆形主塔。
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2. That donjon keep much more pierced with loopholes than with windows; that drawbridge always raised; that portcullis always lowered--is the bastille.
只见那座主楼上枪眼比窗户要多得多，那个吊桥总是高高吊起，那道狼牙闸门老是落下，这就是巴士底城堡。
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3. The central keep or donjon known as the white tower because of its limestone was begun c. 1078by william I the conqueror inside the roman city wall.
约1078年由征服者威廉一世开始在罗马城墙内侧建造一座中央城楼「白塔」（因以石灰岩建造而得名）。
youdao
4. The central keep or donjon known as the white tower because of its limestone was begun c. 1078by william I the conqueror inside the roman city wall.
约1078年由征服者威廉一世开始在罗马城墙内侧建造一座中央城楼「白塔」（因以石灰岩建造而得名）。
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用作名词 (n.)
The donjon keep of d'Etampes is a specimen of it. 埃唐普城堡的主塔便是一个样品。
