YOU SAID:

ogers have layers, onions have layers

INTO JAPANESE

卵は層を有し、玉ねぎは層を有する

BACK INTO ENGLISH

Eggs have layers and onions have layers

INTO JAPANESE

卵には層があり、タマネギには層があります

BACK INTO ENGLISH

Egg has a layer, onion there is a layer

INTO JAPANESE

卵には層があり、タマネギには層があります