Did we used to have lessons once or twice a week?

我们过去每周上一次或两次课吗？

How about once or twice a week?

每周一次或两次怎么样呢？

We can practise the piano once or twice a week.

我们可以一周练习一两次钢琴。

Most of them go to the park once or twice a week.

他们中的大多数人每周去公园一到两次。

If you only see your friends once or twice a week, try seeing them three times.

如果你只看到你的朋友一次或每周两次，你要试图将看见他们3次。

I started seeing Ms. McFadyen once or twice a week for the next two years. It was a process.

接下来的两年里，我开始每周和麦克法登女士见面一到两次。这是个过程。

Studying and reviewing parts of a lesson several times a week is more effective than studying just once or twice a week .

一个星期分几次去学习和复习课程内容比一周里只学习一两次有效很多。

You can do interval training once or twice a week (never two days in a row). Try some of these workouts

你可以做间隔锻炼一周一次或者两次（不要连续两天）。

Would people really accept pricey free-range beef and scrawny barnyard chickens perhaps once or twice a week?

人们能接受每周一到两次高价的自由放养的牛肉吗？ 农家院养的骨瘦如柴的鸡呢？

Probably once or twice a week we are sitting at dinner and Richard says, ‘The cortex is hopeless,’ and I say, ‘That's why I work on the worm.

有可能一周或两周一次我们吃饭时理查德会说：‘大脑皮层没希望了。’