世纪

世界 shìjiè HSK 3 #301

world

上世纪 shàngshìjì

the last century / the previous century (i.e. the 20th century, from a 21st-century viewpoint)

年纪 niánjì HSK 3 #2,036

age (of a person)

去世 qùshì HSK 3 #1,710

to pass away / to die

纪念 jìniàn HSK 3 #2,882

to commemorate; to remember / memorial; souvenir

纪录 jìlù HSK 3 #3,274

record (achievement) / to set a record; documentation

中世纪 zhōngshìjì #9,880

the Middle Ages; medieval period

本世纪 běnshìjì #22,452

this century / the current century

二十世纪 èrshí shìjì

20th century / the twentieth century

全世界 quánshìjiè HSK 5 #2,173

the entire world / worldwide