1 a particular period of 100 years that is used for giving dates 世纪:
We live in the 21st century (= the period between the years 2000 and 2099).我们生活在21世纪(2000年至2099年这段时期)
2 any period of 100 years 100年时间:
People have been making wine in this area for centuries.几百年来人们一直在这个地区酿酒。
century/ˋsɛntʃərI; ˈsentʃəri/n [C] plural centuries a period of 100 years, used especially in dates 世纪﹔一百年: the 13th/19th/21st etc century The church was built in the 13th century (=it was built between 1200 and 1299). 这座教堂建于 13 世纪。life at the turn of the century (=the beginning of the century) 世纪初的生活
centurycenturycenturiesnoun (pluralcenturies)a period of 100 years: People have been making wine in this area for centuries. We are living at the beginning of the twenty-first century.