This is the 6898th most frequent Chinese word.
潮汐
Tides.
Here, '潮汐' refers to the natural phenomenon of the rise and fall of sea levels caused by the gravitational forces of the moon and the sun.
海洋的潮汐每天都在发生变化。
The ocean's tides change daily.
'潮汐' is used metaphorically to describe significant shifts or movements in history that influence societal development.
历史的潮汐推动了社会的进步。
The tides of history have propelled societal progress.
'潮汐' is used in the context of renewable energy, referring specifically to tidal power derived from sea tides.