YOU SAID:

the kettle has hot water inside it

INTO JAPANESE

やかんの中には熱湯が入っています

BACK INTO ENGLISH

There is boiling water in the kettle

INTO JAPANESE

やかんには沸騰したお湯が入っています

BACK INTO ENGLISH

The kettle contains boiling water

INTO JAPANESE

やかんには沸騰したお湯が入っています

BACK INTO ENGLISH

The kettle contains boiling water