YOU SAID:
what he thought was H2O was H2SO4
INTO JAPANESE
彼がH2 Oであると思ったものはH2 SO 4であった
BACK INTO ENGLISH
what he thought was H2O was H2SO4
INTO JAPANESE
彼がH2 Oであると思ったものはH2 SO 4であった
BACK INTO ENGLISH
what he thought was H2O was H2SO4
You've done this before, haven't you.