船随着海水的起伏节奏时起时落。The ship adjusted herself to the roll and rhythm of the sea.大西洋海水的温度和盐度已经发生了变化。The Atlantic Ocean had undergone changes in temperature and salinity.海水的温度越往南越高。The seas are warm further south....

“海水的”的英语可以翻译为：iny ...