One year passed by.

一年过去了。

youdao

One year passed, and another, then came yesterday. I heard a cry.

一年过去了，又一年，于是到了昨天，我听见了一声叫喊。

youdao

Since then one year has passed but we have no idea of what we are going to do.

BBC: How Tepco glossed over Fukushima's vulnerability

Exactly yesterday, it was one year since she passed away.

CNN: City comes out on top in semifinal showdown

And the 44-year-old Italian took time to dedicate the victory to his late mother, who passed away exactly one year ago yesterday.

CNN: City comes out on top in semifinal showdown