This is the 3141st most frequent Chinese word.
世紀
Century.
The word 世紀 is used as 'century,' referring to a span of 100 years, in the context of the 21st century, a commonly referred period in temporal terms.
我們正值二十一世紀,科技發展日新月異。
We are in the 21st century, where technological development is advancing rapidly.
Here, 世紀 denotes a specific historical century (the 19th) to contextualize styles or trends prevalent during that era.
這幅畫作充滿十九世紀的藝術風格。
This painting is filled with the artistic style characteristic of the 19th century.
In this sentence, 世紀 is used to describe the 'end of a century,' implying time intervals marked by the close of a hundred-year period and related societal impacts.