n. someone from whom you are descended (but usually more remote than a grandparent)
n. 祖先, 祖宗
1. My ancestors came from Europe many generations ago.
我的祖先是几代以前从欧洲来的。
2. We learned about our family tree and discovered some interesting facts about our ancestors.
我们了解了家谱，发现了一些关于我们祖先的有趣事实。
3. Honoring our ancestors is an important tradition in many cultures.
尊敬我们的祖先是许多文化中重要的传统。