For his research, Agassiz visited many places in the northern parts of Europe and North America, from the mountains of Scandinavia and New England to the rolling hills of the American Midwest.

阿加西为了研究，访问了欧洲北部和北美的许多地方，从斯堪的纳维亚的山脉和新英格兰走到美国中西部起伏的丘陵。

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As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.

随着我们游向南边，乡间的山丘变得连绵起伏与河岸相接。

《柯林斯英汉双解大词典》

It's the rolling hills and blue skies of Windows XP.

这是Windows XP的起伏的山峦和蓝天。

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In the rolling hills of Tuscany, the Frescobaldi family has been making wine for 30 generations and some 700 years.

FORBES: Wine of the Week: Perfection in a Bottle? 2006 Luce della Vite Brunello di Montalcino - Forbes

Not far from Corleone, in the rolling hills of western Sicily, there is a farming co-operative set up on land confiscated from the Mafia.

BBC: News

Set among the rolling hills of Marin County, the ranch was intended to remove its owner far from the pressures and preoccupations of Hollywood.

FORBES: Magazine Article