在许多文化中，成年礼被视为标志青少年步入成年的重要仪式。

In many cultures, a coming-of-age ceremony is regarded as a significant ___rite-of-passage marking the transition to adulthood.

大学毕业典礼对许多学生来说是一个重要的成长仪式。

The college graduation ceremony is an important ___rite-of-passage for many students.