ALMOST as soon as radios were invented, people speculated about using them to listen to-and maybe even talk to-extraterrestrial civilisations.

自打无线电发明以来，人类就打算利用它去听外星生命的声音，甚至和他们通话。

youdao

ALMOST as soon as radios were invented, people speculated about using them to listen to-and maybe even talk to-extraterrestrial civilisations.

自打无线电发明以来，人类就打算利用它去听外星生命的声音，甚至和他们通话。

youdao