Seagulls bobbed on the waves.

海鸥随浪花一起一伏地漂浮在水面。

《牛津词典》

The boat bobbed like a cork on the waves: light and buoyant.

小船在大浪中犹如软木塞，轻轻漂来漂去。

《牛津词典》

White as the surf it was, and like a flower it tossed on the waves.

那物体如拍岸浪花样雪白，仿佛颠簸在风口浪尖上的一朵花儿。

youdao

Sometimes the birds sat down on the sea in groups, near brown seaweed that rolled on the waves.

VOA: special.2010.03.06

The first of these waves is, you remember, the restrictions on private property, even the abolition of private property.

第一波是，记得是什么吗，限制私产，甚至要废除私产制。

耶鲁公开课 - 政治哲学导论课程节选

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

As the buoy moves up and down on the waves, that mechanical energy is turned into electrical energy.

FORBES: Magazine Article

The speedboat from the Kuala Besut ferry pier rides high on the waves, skipping along the water like a flat stone flung by a petulant giant.

BBC: The perfect trip: Singapore and Malaysia

Moreover, since the resulting interference pattern also depends on the waves' frequency, the same array can concentrate SAWs in different ways at different frequencies, working the liquid sample in different ways.

ECONOMIST: Acoustic microfluidics