Yesterday at this time的意思|示意

Yesterday we “leaked” the sign up to a small group and we filled about half the spots, but there are a few left if you want to grab one now (19 slots at the time of this writing).

昨天我们对一小部分人才一“泄密”，我们的课程人数就已经达到了一半；如果你想报名的话，我们还有一些名额（在我写这篇文章的时候，又有19个人报名了）。

Lucy was cleaning her room at this time yesterday.

露西昨天这个时候正在打扫她的房间。

Was your brother doing his homework at this time yesterday?

你哥哥昨天这个时候在做作业吗？

I saw him mending his bike at this time yesterday.

昨天这个时候，我看到他正在修自行车。

"This is a slow-rolling crisis that has been going on for some time. This is not new, " he said at a White House press conference yesterday.

在昨日白宫举行的记者会上，奥巴马表示：“这是一场已持续一段时间的缓慢发酵的危机，不是什么新情况。”

What were you doing at this time yesterday afternoon?

昨天下午这个时候你正在干什么？