For these three weeks, we have conducted many varied activities, with the club consummating and expanding further.

这三周来，我们举办了多种多样的活动，俱乐部也在进一步完善和壮大。

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In 2007, NASA scientists joined Russian scientists to travel down the river by boat for three weeks to study the transition and how these types of ecosystems may be affected by climate change.

在2007年，NASA的科学家联合俄罗斯科学家乘船考察了这条河的变迁(为时三周)，以及这种类型的生态系统可能如何被气候变化所影响。

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They completed three of these abbreviated stair workouts per week for six weeks.

她们每周在楼梯间里做三组这样的简短锻炼，历时六周。

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Less clear are the exact definition of the term broadband, the penalties for flouting these rules and what transpired over the past three weeks as companies and lobbyists sought to shape the policies to their liking.

FORBES: FCC Tips Net Neutrality Passage But Questions Remain

Travellers are being advised to postpone trips to these and a host of other destinations for at least three weeks.

ECONOMIST: Still spreading | The

These medications can be lifesavers, but if you take them for more than three or four weeks your body will become dependent upon them, and should you want to stop, you will have to reduce them slowly under the supervision of a doctor.

CNN: How long will my postpartum depression last?