1. We've been friends for over a decade.
我们已经是十年的朋友了。

2. The last decade has seen significant advancements in technology.
过去的十年里，科技取得了重大进步。

3. They are celebrating their wedding anniversary, marking a decade of marriage.
他们正在庆祝结婚纪念日，标志着他们的婚姻已经有十年了。