YOU SAID:

I wrote them with a postcard

INTO JAPANESE

私ははがきでそれらを書いた

BACK INTO ENGLISH

I wrote them with postcards

INTO JAPANESE

私はポストカードでそれらを書いた

BACK INTO ENGLISH

I wrote them with a postcard

INTO JAPANESE

私ははがきでそれらを書いた

BACK INTO ENGLISH

I wrote them with postcards

INTO JAPANESE

私はポストカードでそれらを書いた