婚礼是一种庄重而美丽的典礼。

Hūnlǐ shì yī zhǒng zhuāngzhòng ér měilì de diǎnlǐ.

A wedding is a solemn and beautiful ceremony.

毕业典礼是学生们的重要时刻。

Bìyè diǎnlǐ shì xuéshēngmen de zhòngyào shíkè.

Graduation ceremony is an important moment for students.

开幕典礼上有许多重要的嘉宾。

Kāimù diǎnlǐ shàng yǒu xǔduō zhòngyào de jiābīn.

There are many important guests at the opening ceremony.