Have you ever been on TV?

你曾经上过电视吗？

youdao

Yes, they've been on TV lots of times.

是的，他们已经上电视好多次了。

youdao

Have they been on TV?

他们已经上电视了吗？

youdao

As you can tell from the cameras, the course is in fact filmed for reasons of distance education and your benefit for review; we've been working on this past summer what we dubbed cs50.tv which is our own delivery mechanism for these videos.

你们从大屏幕上可以看出来,该课程实际上是为远程教育拍摄的,你们能够在评论的过程中获益良多,今年夏天我们一直忙于cs50。tv网站的事,这样，拍摄完的视频就可以上传到这个网站。

哈佛公开课 - 计算机科学课程节选

The detainees at Guantanamo have been on TV.

NPR: How Arab Media Portrays U.S. Abuse of Detainees

The performance has not been broadcast on TV since it originally aired on 4 January 1973, the day after it was recorded.

BBC: David Bowie 'lost' footage to be broadcast

All previously broadcast England matches have been available on TV.

BBC: England match to be internet only