

Это открытие сделали в прошлом столетии.
This discovery was made in the last century.
Замок стоит здесь уже несколько столетий.
The castle has stood here for several centuries.
Об этой экспедиции спорят уже целое столетие.
People have been arguing about this expedition for a whole century.
"столетие" is in the lesson "Adventures" (Level 36), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.