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》

This summer I want to take my son on the funicular railway which runs up the mountain to the top of the castle gardens.

这个夏天我想带我儿子乘坐缆车到山顶上的城堡花园去玩。

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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。

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The whimsical, faux-Gothic Santa Caterina Castle in Porto is a fabulously over-the-top hideaway set in a palm-shaded garden decorated with azulejo.

BBC: Mini guide to Porto and the Douro, Portugal