世世代代用英语怎么说？

世世代代

例句

• Their family has had dukes and marquises for many generations. 他们家世世代代都是公侯.
• He has looked upon his servant in her lowliness, and people forever will call me blessed. ?垂顾了?卑微的婢女, 今后世世代代都要称我有福.
• They have been herding cattle on the tableland for generations. 他们世世代代在这高原上放牧。