family of absolutely convex bounded sets

例句：

1. 1. The family gathered for the annual Christmas dinner.
   这个家庭为年度圣诞晚餐而聚集。
2. 2. Family is important in shaping our character.
   家庭在塑造我们的性格中非常重要。
3. 3. The family decided to move to a new city.
   这个家庭决定搬到一个新的城市。