它拥有平缓起伏的山丘，看起来像托斯卡纳。

With its gently rolling hills it looks like Tuscany.

《柯林斯英汉双解大词典》

她看着他睡着时微微起伏的胸膛。

She watched the gentle rise and fall of his chest as he slept.

《牛津词典》

多年来这对夫妻间紧张起伏的关系总是登上报纸头条。

For years, the couple's tempestuous relationship made the headlines.

《柯林斯英汉双解大词典》

The actual fluctuation of your voice isn't something that's taught, but what they teach you is how to pronounce the letters properly, and rules that go along with the letters.

你声音的起伏不是别人教的,但是他们教会你的是,字母的正确发音，以及这些诵读这些字母的规则。

普林斯顿公开课 - 人性课程节选

And if you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果在水槽里放个发动器,来让水上下起伏,波浪形成于,水槽的一端,然后从左向右扩散。

麻省理工公开课 - 固态化学导论课程节选

He loved sleeping on ships; he thought that the rocking of the waves rocked him to sleep so he liked doing that.

他喜欢睡在船上,波涛的起伏能使他入眠,所以他乐此不疲

耶鲁公开课 - 欧洲文明课程节选