直生现象

例句：

1. 1. The family has a long historyof direct descent from the same ancestors.
   这个家族有着从同一祖先直接传承下来的悠久历史。
2. 2. In some cultures, it isconsidered taboo to have close relations withsomeone's parents or siblings.
   在某些文化中，与某人的父母或兄弟姐妹有亲密关系被认为是禁忌的。
3. 3. Theterm "direct descendants" refers to individuals who aredirectly related to the founder of acompany or organization.
   “直接后裔”一词指的是与公司或组织创始人有直接血缘关系的个体。