I stayed there for three weeks last year.

赴年我在那里待了三个星期。

youdao

By then she will have been there for three weeks.

到那个时候，她将会在那儿待了三个星期。

youdao

I get a cold and I freak out because I know it's going to be there for three weeks.

我会得感冒，感冒让我发疯，因为我知道，感冒一来就得难受三个星期。

youdao

He went up North from Denmark to a deserted island of the coast of Norway and stayed there for about three weeks.

他从丹麦北部,来到了挪威海岸的一个荒芜的岛上,并在这里呆了三周。

麻省理工公开课 - 固态化学导论课程节选

"There is a far greater sense of urgency than there was three weeks ago about the necessity for the eurozone to address its problems and there is pressure on the eurozone from across the international community, " he told the BBC.

BBC: IMF: Global economy needs collective action now

His approach involves taking a muscle biopsy from a patient's thigh and then growing the tissue sample in the lab for three weeks until there are 600 million to 800 million of the myoblast cells.

FORBES: Using Thigh Muscle To Fix The Heart

From there the market has usually moved modestly lower for the next three weeks (hitting the low for the month on the sixteenth trading day).

FORBES: Markets Follow Traditional January Script ... So Far