The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.

海平面可能会升高，或者陆地可能会下降；不论发生哪种情况，沙丘都将很快消失。

《柯林斯英汉双解大词典》

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

她看着他睡着时微微起伏的胸膛。

《牛津词典》

A yo-yo can rise and fall.

溜溜球既可以上升也可以下降。

youdao

Jon Hein, the creator of the Jumptheshark.com Web site -- which charts the rise and fall of TV shows and other pop culture -- says "The Simpsons" is by far the most popular topic on his Web site, and there have been rumblings that the show has leaped the fish, or at least started turning into chum.

CNN: A milestone for 'The Simpsons'

Throughout, levels of different hormones rise and fall - and body temperature rises around ovulation.

BBC: Hormones in menstrual cycle 'affect asthma'

The doubter need look no farther than the backstory to the near-epic rise and fall of Andrew Mason and his Mephistopheles, Eric Lefkofsky.

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