我的祖先用英文怎么说

在英语中，祖先通常称为 "ancestor"。这个词来自拉丁文 "ancestor"，意思是 "祖先"、"祖宗"。

例句：

My ancestors came from Ireland. (我的祖先来自爱尔兰。)
She traced her ancestors back to the early 1800s. (她追溯到了 1800 年代初期的祖先。)
The ancient ruins were built by our ancestors. (这些古迹是我们的祖先建造的。)