YOU SAID:
this is a wonderful day
INTO JAPANESE
これは素晴らしい日です
BACK INTO ENGLISH
This is a great day
INTO JAPANESE
素晴らしい一日だ
BACK INTO ENGLISH
This is a great day.
INTO JAPANESE
素晴らしい一日だ
BACK INTO ENGLISH
This is a great day.
That didn't even make that much sense in English.