砂丘相对平坦或有波状起伏的覆草沙地，通常在海岸边。
Relatively flat or undulating sandy turf-covered ground usually along a seashore.
这个葡萄酒厂位于一片波状起伏的场地，鸟瞰景色迷人的葡萄园，韦斯顿·波特海湾以及巴斯海峡。
Port Phillip Estate Winery carves into an undulating site overlooking picturesque vineyards, Westernport bay and Bass Strait.
200万年前，在树木丛生的谷地和波状丘陵地带的起伏平原之下，是洞穴密布的地下蓄水层。
Two million years ago, a cave-studded aquifer lay beneath an undulating plain of shallow, wooded valleys and rolling hills.
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