Flat and undulating lawns and other landscape features .

平坦和起伏有致的草坪及其他园景设施。

Before him lay miles of undulating moorland .

他面前是一片高低起伏的荒原。

Before them lay miles of undulating moorland .

他们前面面一片高低起伏的荒原。

Frustration and suffering are the undulating notes !

而挫折和苦难，不过是起伏的音符！

After that , cera reckons , " supply may well struggle to meet demand , but an undulating plateau rather than a dramatic peak will likely unfold " .

然后，剑桥能源研究协会预测：“供给可能难以满足需求，但起伏波动的高点比一个引人注目的高峰点是更可能出现。”