每周一次，我从父亲的电脑上播放我最喜欢的音乐。

Once a week, I played my favourite music from my father's computer.

你可能已经知道，这是每周一次的必要会议。

As you may know already, it's a required meeting once a week.

他们定期会面——通常每周一次。

They meet regularly - usually once a week.

她多久看一次电视？每周一次。

How often does she watch TV? Once a week.

汽船每周一次来把邮件取走.

A steamer calls once a week to take off mail.

动刀片每周一次涂油.

Oil the foil after cleaning the blades once a week.

但我们仍然每周一次或几周一次吃定量的瘦肉。

We still eat regular lean meat maybe once a week or less.

他们每周一次在物理课上放映幻灯.

Slides are shown once a week in their physics class.

每周一次,在去除死皮后,我用它来防止长痘.

I use it once a week after exfoliating to prevent breakouts.

确认你发邮件的频率，将其保持在不多于每周一次，不少于每月一次。

Make sure that the frequency for your outgoing mail is set to no more than once a week and no less than once a month.