YOU SAID:

camels have one or two humps on their back

INTO JAPANESE

ラクダは背中に1つか2つのこぶを持っています

BACK INTO ENGLISH

Camels have one or two bumps on their backs

INTO JAPANESE

ラクダは彼らの背中に1つまたは2つのバンプを持っています

BACK INTO ENGLISH

Camels have one or two bumps on their backs