His ancestors had come to America from Ireland.
他的祖先从爱尔兰来到美国。
a person in your family who lived a long time ago 祖宗；祖先:
15秒记一个单词（第1391个）ancestor
His ancestors had come to America from Ireland.
他的祖先从爱尔兰来到美国。
a person in your family who lived a long time ago 祖宗；祖先:
