Ship swaying motion can be predicted by the chaos theory due to its chaotic characteristic.

舰船摇荡运动具有混沌特性，因而可以应用混沌理论对其进行预报。

youdao

The swaying motion of the ship was making me feel seasick.

船身摇摆不定，让我觉得恶心。

《牛津词典》

He found Mormont stretched out in the lower one, swaying slowly with the motion of the ship.

他发现莫尔蒙占据了那个矮点的，随着船的摆动而缓缓摇动。

youdao

To drill the well, engineers have devised an ingenious system of hollow "riser pipes" that create a hermetic seal between the well opening on the sea floor and the ship swaying above.

FORBES: The delicate art of sucking up