Fears are growing for the safety of a teenager who disappeared a week ago.

大家对那一周前失踪少年的安危越来越担忧。

《牛津词典》

"That's the time you weren't well, wasn't it?"—"Yes, that's right, that was a week ago last Monday."

“就是那个时候你不舒服，是吗？”——“是的，就是一周前的星期一。”

《柯林斯英汉双解大词典》

A week ago, I had the pleasure of helping one sick lady.

一周前，我有幸帮助了一位生病的女士。

youdao

Tunisia is observing three days of mourning for people killed in the revolution that ousted the president a week ago.

VOA: special.2011.01.22

Well we start with the ideas we learned already several weeks ago now, or more than a week ago, which is the idea of dominant strategies.

我们可以运用到几周以前,还是一周以前学到的知识,使用优势策略的观点来分析

耶鲁公开课 - 博弈论课程节选

We talked about antibodies, we talked about them two weeks ago, we talked about them in section last week, uses of them.

我们讨论过抗体,我们在两周前讨论了抗体,上周的组会中我们讲到抗体的应用

耶鲁公开课 - 生物医学工程探索课程节选

He took questions on it from you guys less than a week ago on Friday.

WHITEHOUSE: Press Briefings

As I reported just over a week ago, Theresa May wanted to dismantle the SFO.

BBC: SFO saved by cabinet revolt

Shares of Capital One Financial are up more than 13% from their close a week ago.

FORBES: Selling Pressure Hitting Credit Card Stocks