He'd moved to England with his mum when he was three and it had been 13 years since I'd last seen him.

他三岁时和他妈妈搬到了英国，我已经13年没见过他了。

youdao

It had been 13 years since I'd last seen him.

我已经有13年没见过他了。

youdao

Fidel Castro was last seen in public in July 2006.

菲德尔·卡斯特罗上一次出现在公开场合是在2006年7月。

youdao

The Justice Department says rates in recent years fell to levels last seen in the middle of the nineteen sixties.

VOA: special.2009.12.19

And we saw last day that we have a Coulombic force of attraction which you have seen before.

我们昨天学习到,我们有库仑引力,之前你们学过的。

麻省理工公开课 - 固态化学导论课程节选

I've seen quite a few musicals. Last time I was there, I saw a musical.

我看过不少音乐剧。上一回我去的时候看了音乐剧。

纽约很棒 - SpeakingMax英语口语达人

The 17-year-old student, from Wellington, Shropshire, was last seen in the town on Sunday evening.

BBC: Georgia Williams

Seventeen-year-old Georgia, from Wellington, Shropshire, was last seen in the town on Sunday evening.

BBC: Georgia Williams

He was last seen in the capital Phnom Penh, but frequent appeals have revealed little.

BBC: Cambodia school hope for backpacker Eddie Gibson