他们正在筹划一场盛大的活动来庆祝学校的百年校庆。

They are planning a grand event to celebrate the school's centennial ___jubilee.

整个城市在国庆节举行了盛大的庆祝活动。

The whole city held a grand ___jubilee during the National Day celebration.

在圣经中，禧年是一个特别的时期，人们会归还土地并释放奴隶。

In the Bible, the ___jubilee was a special time when land was returned and slaves were set free.