The castle was built on top of a natural grassy mound.
这座城堡建在一个天然的绿草如茵的小丘上。
《牛津词典》
2
Top of your list should be the castle and grounds of Chaumont-sur-Loire, near Blois, which hosts a magnificent garden festival from spring to late autumn.
首屈一指的应该是布卢瓦附近的肖蒙堡，那里举办的从春天开始到晚秋结束的城堡展富丽堂皇。
3
This summer I want to take my son on the funicular railway which runs up the mountain to the top of the castle gardens.