This is the first time that blind people have ever done individual studies before a product was put on the market.

这是盲人第一次在产品投放市场之前进行个人研究。

youdao

I got to know that if I had done my best for the first time I did it, I wouldn't have so many differences.

我知道，如果我第一次做到最好，我就不会和别人差这么多。

youdao

He's not to blame. After all, it was the first time he'd done it.

这也不能怪他，头一回做嘛。

《新英汉大辞典》

As the service module moved away, they saw for the first time the damage done by the exploding oxygen tank.

VOA: special.2009.07.22

Suppose the Milgram experiment had never been done and it was being done for the first time here.

假设米尔格林姆实验从来没有执行过,今天才第一次做这个实验。

耶鲁公开课 - 心理学导论课程节选

So it was really cool because it was the first time this play had ever been done,

真是太酷了，因为这部戏剧是第一次在舞台上完成，

记忆犹新的表演 - SpeakingMax英语口语达人

The win was also the second straight for the Scarlet Knights, the first time they have done that since early January.

WSJ: Rutgers beats DePaul 76-57 in Big East tournament

President Kumaratunga was speaking on national television - the first time she has done so since returning home from medical treatment in London.

BBC: Sri Lankan leader accuses opposition

This is the first time I have done that since I started on Forbes so some of these items go back as far as April.

FORBES: Random Round-up