当时他来，我就走。

Since he comes, I will go.

youdao

当时认为，如果谁整天有几个小时来消遣，他理应把这些时间用在训练箭术上，而不要用木槌对着木球敲敲打打。

It was also considered that if someone had hours to wile away, they should be practicing their archery, not whacking at wooden balls with mallets.

youdao

基本上，在当时他只能通过大小,和特性来进行，但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。

So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.

youdao

So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.

基本上，在当时他只能通过大小,和特性来进行，但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。

麻省理工公开课 - 化学原理课程节选

And he--one day this boy showed up in the class-- this was during Vichy, about 1943, maybe it's '44, and he's new and he's not different, he's just not from there.

他,有一天班里来了个新同学,当时是维西政府时期,1943年,也可能44年,他是新来的也没什么特别之处,只是不是当地人

耶鲁公开课 - 1871年后的法国课程节选