YOU SAID:

yesterday i learned to love about 30000 cows who are pretty cool

INTO JAPANESE

昨日、私はとても涼しい約30000匹の牛を愛することを学んだ

BACK INTO ENGLISH

Yesterday I learned to love about 30 000 cows that are very cool

INTO JAPANESE

昨日、私はとても涼しい約30,000匹の牛を愛することを学びました

BACK INTO ENGLISH

Yesterday, I learned to love about 30,000 cows, which are very cool

INTO JAPANESE

昨日、私は約30,000匹の牛を愛することを学びました。これはとてもクールです

BACK INTO ENGLISH

Yesterday, I learned to love about 30,000 cows. This is very cool

INTO JAPANESE

昨日、私は約3万匹の牛を愛することを学んだ。これは非常にクールです

BACK INTO ENGLISH

Yesterday, I learned to love about 30,000 cows. This is very cool