YOU SAID:
we came home from our walk today, and she jumped into the water
INTO JAPANESE
今日私たちが散歩から帰ってきたら、彼女は水に飛び込みました
BACK INTO ENGLISH
Today we came back from our walk and she jumped in the water.
INTO JAPANESE
今日、私たちが散歩から帰ってきたとき、彼女は水に飛び込みました。
BACK INTO ENGLISH
Today when we came back from our walk she jumped in the water.
INTO JAPANESE
今日、私たちが散歩から帰ってきたとき、彼女は水に飛び込みました。
BACK INTO ENGLISH
Today when we came back from our walk she jumped in the water.
That didn't even make that much sense in English.