Hilversum is actually in a hilly area with the soil mostly consisting of sand.

希尔福瑟姆实际上处于丘陵地带，那儿的土壤主要含沙。

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Unlike most of the Netherlands, Hilversum is actually in a hilly area with the soil mostly consisting of sand.

与荷兰的大部分地区不同，希尔弗森实际上是一个丘陵地带，土壤主要由沙子构成。

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This flower grows on a hilly area.

这种花生长在山地上。

《新英汉大辞典》

Gunfire was exchanged in a hilly area early on Wednesday, Malaysian officials said, with one clan member believed to have been shot.

BBC: Malaysia troops hunt Filipino clan amid Sabah violence

And a trial of an electric bike hire scheme will begin by 2016, linking a hilly area of the city with limited public transport to a Tube station.

BBC: Electric bikes: For people who don't cycle?