YOU SAID:

This is my girlfriend Ella. She is very cool and we are on a mountain.

INTO JAPANESE

これは私のガールフレンドのエラです。彼女はとてもクールで、私たちは山にいます。

BACK INTO ENGLISH

This is my girlfriend Ella. She is so cool and we are in the mountains.

INTO JAPANESE

これは私のガールフレンドのエラです。彼女はとてもクールで、私たちは山の中にいます。

BACK INTO ENGLISH

This is my girlfriend Ella. She is so cool and we are in the mountains.