YOU SAID:

Last week I ate a snail in the back of the playground on Christmas eve

INTO JAPANESE

先週私はクリスマスイブに遊び場の裏でカタツムリを食べました

BACK INTO ENGLISH

Last week I ate a snail behind the playground at Christmas Eve

INTO JAPANESE

先週、私はクリスマスイブに遊び場の後ろでカタツムリを食べました

BACK INTO ENGLISH

Last week I ate a snail behind the playground at Christmas Eve