YOU SAID:

I went down to the basement picked up the cow and swam across the Atlantic ocean to Australia.

INTO JAPANESE

私は牛を拾って地下室に降りて、大西洋を渡ってオーストラリアに泳いだ。

BACK INTO ENGLISH

I picked up a cow, got down to the basement, and swam across the Atlantic Ocean to Australia.

INTO JAPANESE

私は牛を拾い、地下室に降りて、大西洋を泳いでオーストラリアに向かいました。

BACK INTO ENGLISH

I picked up a cow, got down to the basement, swam across the Atlantic Ocean and went to Australia.

INTO JAPANESE

私は牛を拾い、地下室に降りて、大西洋を泳いで渡り、オーストラリアに行きました。

BACK INTO ENGLISH

I picked up a cow, got down to the basement, swam across the Atlantic Ocean and went to Australia.