1. They announced their betrothal at a family gathering.
他们在家庭聚会上宣布了他们的订婚。

2. The betrothal ceremony was a traditional event with many customs and rituals.
订婚仪式是一个传统的活动，有许多习俗和仪式。

3. The couple exchanged rings to symbolize their betrothal.
这对夫妇交换戒指象征着他们的订婚。

4. Their families were thrilled about the betrothal and began planning the wedding.
他们的家人对订婚感到兴奋，开始筹划婚礼。

5. The betrothal period is a time for the couple to get to know each other better.
订婚期是让这对夫妇更好地了解对方的时候。

6. The betrothal was a formal agreement between the two families.
订婚是两个家庭之间的正式协议。