YOU SAID:

the cow was eating grass until the grass exploded

INTO JAPANESE

牛が草を食べていた草の爆発まで

BACK INTO ENGLISH

Until the explosion of grass a cow eating grass

INTO JAPANESE

草を食べる牛は草の爆発まで

BACK INTO ENGLISH

Cows eat grass until the explosion of grass

INTO JAPANESE

草の爆発まで草を食べる牛

BACK INTO ENGLISH

Cows eat grass until the explosion of grass