How to say “This is the key with which I open the door.” in JapaneseIn Japaneseこれが私(わたし)がドアを開(あ)けるのに使(つか)う鍵(かぎ)です。Kore ga watashi ga doa o akeru no ni tsukau kagi desu.▶ Hear it in JapaneseThis is the key with which I open the door. in other languagesWhat This is the key with which I open the door. meansIn PortugueseIn French