YOU SAID:

Watch the dog jump over the fence while it jumps over the fox

INTO JAPANESE

犬がキツネを飛び越えると同時に、犬が柵を飛び越えるのを見てください。

BACK INTO ENGLISH

Watch the dog jump over the fence at the same time as the dog jumps over the fox.

INTO JAPANESE

犬がキツネを飛び越えるのと同時に、犬が柵を飛び越えるのを見てください。

BACK INTO ENGLISH

Watch the dog jump over the fence at the same time as the dog jumps over the fox.