ago

柯林斯词典

1. ADV You use ago when you are referring to past time. For example, if something happened one year ago, it is one year since it happened. If it happened a long time ago, it is a long time since it happened. 以前
He was killed a few days ago in a skiing accident. 他几天以前在一次滑雪事故中丧生。
The meeting is the first ever between the two sides since the war there began 14 years ago. 这是自从14年前双方爆发战争以来的第一次会晤。

Electrical goods are almost double the price they were a few years ago.
"Where's my pen ? It was on my desk a minute ago."
Twelve thousand years ago, our ancestors were primitive savages living in caves .
We made the booking three months ago.
It all happened so long ago that it's just a blur to me now.