We sent out the party invitations about three weeks ago.

我们在大约三周前就已经发出了聚会邀请函。

youdao

I talked with him three weeks ago.

我在三周前和他聊过。

youdao

I came to China three weeks ago.

我三个星期前来到了中国。

youdao

The IAAF says Semenya was subjected to sex testing three weeks ago, following complaints from a member body, but have refused to say exactly what the complaint was or who made it.

VOA: standard.2009.08.25

We just launch the site three weeks ago.

我们三周前才开放了网站。

麻省理工公开课 - 媒体、教育、市场课程节选

So we had two weeks like about... Three weeks ago, we had like a big heat spell.

所以我们已经有两个星期像这样了……三个星期前，我们有一个持续高温的时期。

关于伦敦的天气 - SpeakingMax英语口语达人

Only three weeks ago, he lambasted Atletico players after they lost a third straight match.

BBC: SPORT | Football | Other European | Atletico owner Gil dies

Three weeks ago, Ford Motor also reported stronger than anticipated sales but a disappointing bottom line.

FORBES: General Motors Posts Sporty Sales, Clunky Q4 Profit

Odd are these will be dismissed, as an Illinois lawsuit was three weeks ago.

FORBES: Groupon Alcohol, Spending Woes Piling Up