Quinquagesima

例句：

1. 1. The company has been in operation for the quinquagesima since its founding.
   该公司自成立起已经运营了四分之一世纪。
2. 2. She decided to take a quinquagesima vacation to relax and recharge her energy.
   她决定休息一个四分之三的假期来放松和充电。
3. 3. The team won the championship with three quarters of the score remaining.
   该队在比赛还剩三分之三时赢得了冠军。