YOU SAID:
Rocket juice cannot dissolve iron bars.
INTO JAPANESE
ロケットジュースは鉄棒を溶かすことができません。
BACK INTO ENGLISH
Rocket juice can not melt the bar.
INTO JAPANESE
ロケットジュースはバーを溶かすことができません。
BACK INTO ENGLISH
Rocket juice can not melt the bar.
That didn't even make that much sense in English.