YOU SAID:
I jump up and down on the trampoline.
INTO JAPANESE
トランポリンで飛び跳ねます。
BACK INTO ENGLISH
Jump on the trampoline.
INTO JAPANESE
トランポリンでジャンプ。
BACK INTO ENGLISH
Jump on a trampoline.
INTO JAPANESE
トランポリンでジャンプ。
BACK INTO ENGLISH
Jump on a trampoline.
That didn't even make that much sense in English.