At about that time the debris began to hit the ground.

差不多在那时，航天飞机残骸开始陆续撞到地面。

youdao

Early in his research, Kramer found that caged migratory birds became very restless at about the time they would normally have begun migration in the wild.

在克雷默早期的研究中，他发现被关在笼中的候鸟在它们通常开始在迁徙的大致时间会变得非常不安。

youdao

It is natural that parents should wonder about the time children spend looking at a TV or computer screen.

父母很自然地会想知道孩子花在看电视或电脑屏幕上的时间。

youdao

At about that time,however, riots broke out in Havana.

VOA: special.2010.07.08

And there was the confluence of religion and business and science and all of these things that changed dramatically at about that period of time.

当时宗教，商业,科学等等都有了交叉点,它们在那个时期发生了巨大的转变。

普林斯顿公开课 - 人性课程节选

We're going to talk about the reasons for that as we go along, particularly at the beginning of class next time.

随着课程的进行我们会讲到其中的原因,尤其是下次课开始时

耶鲁公开课 - 生物医学工程探索课程节选

At about that time, Ms. White started putting together the first full-time terrorism prosecution unit in the country.

WSJ: Both Sides of SEC Nominee Face Heat

At about that time, the stock began to slide until another hedge fund titan, Carl Icahn, called in around 12:47 PM.

FORBES: Investors Side With Carl Icahn: Herbalife Soars After Epic TV Battle With Ackman

India, at about that time, will take over the top ranking.

FORBES: Magazine Article