在那以前我从未骑过摩托车。但当时已来不及临阵脱逃。

I had never ridden on a motor-cycle before. But it was too late to chicken out.

《柯林斯英汉双解大词典》

在这篇文章中，孩子们为需要食物的人种植了食物，但当时是冬天。

In the article, the kids had grown food for people who needed food, but it was winter.

youdao

我的计划是卖掉塔拉。但当时我已经非常喜欢塔拉了。

My plan was to sell Tara. But by now I was very fond of her.

youdao

The time was in the early 70s, so factory farming was not well-known, was not as dominated as it is today, but it still existed.

那时是70年代早期，工厂化养殖并不为很多人所知,也不如今天这样占主导地位，但当时已经出现了这种方式。

普林斯顿公开课 - 人性课程节选

and he knew this the same way that we saw it in the last class, which is when we viewed the difference spectra coming out from the hydrogen, and we also did it for neon, but we saw in the hydrogen atom that it was very discreet energy levels that we could observe.

那就是,当我们看氢原子发出的光谱时，我们也看了氖气,但我们看到,氢原子能级是分立的，这些，在当时,已经被观察到了,他也都知道。

麻省理工公开课 - 化学原理课程节选

But if you step back and reflect on it, "Well, let's see, I was eating a sandwich and suddenly the sandwich was the Statue of Liberty, except the Statue of Liberty was my mother.

但当你退一步,仔细回想,让我想想,我当时在吃三明治,然后突然,三明治变成了自由女神像,不过这个女神是我的母亲

耶鲁公开课 - 死亡课程节选