YOU SAID:
My dog has an infected left ear
INTO JAPANESE
私の犬には感染した左耳があります
BACK INTO ENGLISH
My dog has infected left ear
INTO JAPANESE
私の犬は左耳に感染しています
BACK INTO ENGLISH
My dog has infected the left ear
INTO JAPANESE
私の犬は左耳に感染しています
BACK INTO ENGLISH
My dog has infected the left ear
You've done this before, haven't you.