让我们有一次烧烤。

Let's have a barbecue.

youdao

这一次，我们有很好的奖品。

This time we have very good prizes.

youdao

有一次我们去巴黎时，我忘了带护照。

Once when we were going to Paris, I forgot my passport.

《柯林斯英汉双解大词典》

We had a conversation yesterday about art, and she said art has a responsibility to be beautiful.

我们昨天就艺术进行了一次谈话，她说艺术有美丽的义务。

普林斯顿公开课 - 人性课程节选

As long as we never start paying a dividend, then we're just a young company and nobody asks any questions.

如果我们一次都不分红,我们只是家新公司,没人会有疑问

耶鲁公开课 - 金融市场课程节选

Again we have the charge of the nucleus on plus 2, +2 but let's say this time the electron now is going to be very, very close to the nucleus.

对于我们的氦原子，我们有一次得到了原子核电荷量为,但是我们说这次电子。

麻省理工公开课 - 化学原理课程节选