Since that time, hundreds of astronauts have been into orbit, but none has ventured further.

从那时起，已经有数百名宇航员进入轨道，但是，没有人再做进一步的尝试。

youdao

But notice that you've all been doing that since time began.

但请注意，有史以来你们就一直在那样做。

youdao

But notice that you've all been doing that since time began.

但请注意，有史以来你们就一直在那样做。

youdao