YOU SAID:

I cannot believe that aliens visited ancient civilizations to give them technology.

INTO JAPANESE

私はエイリアンが彼らに技術を与えるために古代文明を訪問したとは信じられません。

BACK INTO ENGLISH

I can't believe aliens visited ancient civilizations to give them technology.

INTO JAPANESE

私はエイリアンが彼らに技術を与えるために古代文明を訪問した信じられない。

BACK INTO ENGLISH

I can't believe aliens visited ancient civilizations to give them technology.